All Tools

Compress PDF

Reduce PDF file size while maintaining quality.

PDF Editor

Edit PDFs in your browser — add text, images, highlights, signatures, and more. No signup, no uploads, no limits.

Merge PDF

Combine multiple PDF files into one document.

JPG to PDF

Convert JPG images to a PDF document.

PDF to JPG

Convert PDF pages to JPG images.

Split PDF

Split a PDF into separate files by page range.

Image to PDF

Convert any image format to a PDF document.

Remove PDF Password

Unlock a password-protected PDF.

Protect PDF

Add password protection to a PDF file.

Rotate PDF

Rotate PDF pages by 90, 180, or 270 degrees.

Watermark PDF

Add a text watermark to every page of your PDF.

PDF to PNG

Convert PDF pages to high-quality PNG images.

Reorder PDF Pages

Drag and drop to rearrange pages in your PDF.

Extract PDF Pages

Extract specific pages from a PDF into a new file.

Add Page Numbers to PDF

Add page numbers to every page of your PDF.

Crop PDF

Crop the visible area of PDF pages.

PDF to HTML

Convert a PDF document to HTML format.

Delete PDF Pages

Remove unwanted pages from a PDF file.

Sign PDF

Draw, type, or upload a signature onto your PDF.

Remove PDF Watermark

Attempt to remove text watermarks from a PDF.

Repair PDF

Attempt to fix a corrupted or damaged PDF file.

Add Noise to Image

Add monochrome film grain, colour noise, or salt-and-pepper specks to any photo. Choose noise type and amount; the result is rendered into a real PNG file in your browser.

Censor / Blur Region

Permanently censor a rectangular region of any photo with pixelation, blur, or a solid black bar. Specify exact x/y/width/height coordinates and the censor is baked into a real PNG — no recoverable original.

Skew Image

Apply real horizontal and vertical shear to any photo, turning a rectangle into a parallelogram. Choose X-skew and Y-skew angles from −60° to +60°; the tool re-renders to a real PNG with transparent corners.

Pixel Sorter

Apply real pixel-sorting glitch art to any photo: sort each row or column by brightness, hue, or saturation, with a threshold to control which pixels get included. Real PNG output.

Recompress JPEG

Upload a JPEG and re-compress it at a lower quality to reduce file size. Automatically strips EXIF metadata.

Data URI Image Encoder

Encode any image (PNG, JPG, GIF, WebP, SVG, BMP, AVIF, ICO) as a data URI using base64 or URL encoding. Live re-encode when you switch encoding mode, copy with one click, or download the result as a .txt file. Perfect for inlining tiny icons in CSS, single-file HTML emails, or browser-extension manifests.

PNG to PDF Converter

Convert a PNG image to a PDF document. The image is embedded at full resolution with the page sized to match.

SVG to PDF Converter

Convert an SVG file to a PDF document. The SVG is rasterized at 2× resolution and embedded in a page sized to match.

BMP to PDF Converter

Convert a BMP image to a PDF document. The bitmap is decoded and embedded with the page sized to match.

HEIC to PDF Converter

Convert HEIC/HEIF images (Apple photo format) to PDF. Decoded in-browser using heic-to.

WebP to PDF Converter

Convert a WebP image to a PDF document. Decoded natively in-browser and embedded with the page sized to match.

TIFF to PDF Converter

Convert a TIFF image to a PDF document. Decoded in-browser via Canvas and embedded with the page sized to match.

Text to PDF Converter

Convert a plain text file (.txt) to a properly formatted PDF document with automatic word wrap and page breaks.

PDF to WebP Converter

Convert PDF pages to WebP images. Single-page PDFs produce one WebP; multi-page PDFs produce a ZIP of WebP files.

PDF to BMP Converter

Convert PDF pages to BMP bitmap images. Single-page PDFs produce one BMP; multi-page PDFs produce a ZIP.

PDF to Images Converter

Convert all PDF pages to PNG images. Single-page PDFs produce one PNG; multi-page PDFs produce a ZIP of PNGs.

PDF to Text Extractor

Extract all text content from a PDF and download it as a plain text file. Preserves reading order across all pages.

PDF to Black & White

Convert a color PDF to grayscale. Each page is rendered, desaturated, and re-embedded in a new PDF.

Split Pages Horizontally

Split each PDF page into left and right halves. Ideal for scanned book spreads where two pages are captured in one scan.

PDF Comparison Tool

Visually compare two PDF files. Each page is rendered and diffed pixel-by-pixel, highlighting all changes in red.

Interleave PDF Pages

Interleave pages from two PDFs by alternating pages (A1, B1, A2, B2…). Ideal for reassembling duplex scans.

Reverse PDF Pages

Reverse the page order of a PDF document. All content, annotations, and formatting are preserved.

ZIP PDF Files

Bundle multiple PDF files into a single ZIP archive. Drop your PDFs and download them as one ZIP file.

Extract Single PDF Page

Extract any single page from a multi-page PDF into a new single-page PDF. Choose your page number — all content and annotations are preserved.

N-Up PDF Tool

Arrange two PDF pages per sheet (2-up layout) on landscape A4 pages for efficient printing.

Create Booklet

Generate a booklet imposition layout from your PDF for saddle-stitch or signature-fold printing.

Multiple Pages Per Sheet

Arrange 2, 4, 6, 9, or 16 PDF pages on a single sheet for compact printing.

Add Blank Page

Insert blank pages into a PDF at the start, end, after a specific page, or at regular intervals.

Add Cover Page

Generate a styled cover page with title, subtitle, author, and date and prepend it to your PDF.

Duplicate Pages

Duplicate all, specific, or individual pages in a PDF with configurable copy count and placement.

Remove Blank Pages

Detect and remove blank or nearly-blank pages from a PDF with configurable sensitivity.

Resize PDF

Resize all pages in a PDF to a target paper size with fit, fill, or stretch content scaling.

Change Page Dimensions

Change the canvas dimensions of PDF pages with precise control over content anchoring and page selection.

Align Pages

Align all pages in a PDF to a uniform canvas size with configurable alignment and reference dimensions.

Flip Pages

Flip (mirror) PDF pages horizontally, vertically, or both with control over which pages are affected.

Add Image to PDF

Add an image to your PDF — choose position, size, opacity, and which pages. Perfect for logos, stamps, watermarks, and signatures.

Redact PDF

Automatically detect and redact sensitive data (SSN, email, phone numbers) from a PDF with black boxes.

PDF to Scanned Look

Apply a realistic scanned-document effect to a PDF with noise, skew, and grayscale options.

PDF Dark Mode

Convert a PDF to dark mode by inverting colors with customizable dark themes and image handling.

PDF Metadata Editor

Edit PDF metadata fields including title, author, subject, keywords, creator, and producer.

PDF Metadata Remover

Strip all or selected metadata from a PDF including standard fields, XMP, and custom properties.

PDF Metadata Viewer

Upload a PDF to view its metadata — title, author, subject, keywords, creator, producer, dates, and page dimensions.

Flatten PDF

Flatten form fields, annotations, and layers in a PDF to make content non-editable and static.

PDF Inspector

Upload a PDF to inspect its properties — page count, version, encryption, metadata, form fields, and more.

Link Inspector

Paste any URL to instantly parse and inspect its protocol, domain, path, query parameters, fragment, and more.

PDF Page Dimensions

Upload a PDF to see every page's dimensions in pt, mm, and inches — detect paper sizes, mixed sizes, and orientation.

PDF Viewer

View PDF files directly in the browser with navigation, zoom, search, and full-screen support.

Embed File in PDF

Upload a PDF and embed up to 10 files inside it as attachments — Excel, CSV, XML, images, or any file type.

Extract Embedded Files

Extract all files embedded (attached) inside a PDF document and download them individually or as a ZIP.

Meta Tag Analyzer

Analyze HTML meta tags for SEO completeness — checks title, description, Open Graph, Twitter Cards, and more.

Compress Image

Reduce image file size while preserving visual quality.

Resize Image

Resize images to exact dimensions or percentages.

Crop Image

Crop images with an interactive selection tool.

JPG to PNG

Convert JPG images to PNG format.

PNG to JPG

Convert PNG images to JPG format.

Image to WebP

Convert images to the modern WebP format.

Rotate Image

Rotate and flip images by any angle.

Watermark Image

Add a text or image watermark to your photos.

HEIC to JPG

Convert Apple HEIC photos to JPG format.

Image to Base64

Encode any image as a Base64 data string.

Base64 to Image

Decode a Base64 string back to an image file.

Image to SVG

Trace a raster image into scalable SVG vector paths.

GIF Maker

Create animated GIFs from multiple images.

Favicon Generator

Generate favicons in all required sizes from one image.

Blur Image

Apply gaussian blur to images with adjustable radius.

Screenshot to PDF

Convert screenshots and images to PDF documents.

Image Color Picker

Extract dominant colors and pick colors from any image.

Placeholder Image Generator

Generate crisp placeholder images for wireframes, mockups, and lazy-loading previews. Pick exact dimensions, background and text colours, font, and an optional auto-label, then download as SVG, PNG, or JPG — all generated locally in your browser.

Sprite Sheet Generator

Generate a sprite-sheet grid template with up to 20 × 20 numbered cells, configurable cell size, gap, background, and tint. Perfect for blocking out 2D game animations or planning UI icon sets — output is a crisp SVG you can drop into Aseprite, Krita, or your engine of choice.

Data URL Generator

Encode text, HTML, CSS, JSON, XML, SVG, or JavaScript into a data URL using base64 or URL encoding. Live re-encode as you type, copy or download in one click. Useful for inlining tiny assets in CSS background-image rules, HTML <img> src attributes, or browser extension manifests.

Add Text to Image

Upload an image and add a text overlay with customizable font, color, position, and shadow.

AVIF to JPG Converter

Convert AVIF photos to a universally compatible JPEG file directly in your browser. Adjustable JPEG quality, configurable background colour for transparent areas, and an instant before/after preview. No upload, no quality cap.

AVIF to PNG Converter

Convert AVIF images to lossless PNG, fully preserving transparency and the original pixel data. Drop the file, choose whether to keep the alpha channel or flatten onto a background colour, and download in one click. 100% browser-based — your file never leaves your device.

Background Pattern Adder

Generate SVG background patterns including polka dots, stripes, grids, crosshatch, and checkerboard.

Black & White Converter

Convert any photo to black and white (grayscale) right in your browser, with an intensity slider for partial desaturation. Output is a downloadable PNG that preserves transparency — no upload, no account.

Blur Effect Tool

Apply a Gaussian or motion blur to any image right in your browser. Pick a radius from 1–60 pixels and choose horizontal or vertical streak for a dreamy, defocused, or panning-camera look. Output is a downloadable PNG.

BMP Compressor

Upload a BMP image and compress it by converting to PNG, JPEG, or WebP with adjustable quality.

BMP to JPG Converter

Convert massive uncompressed BMP files to compact JPEGs with adjustable quality and a configurable background colour for transparent areas. Typical file-size reduction is 90–98 % with no visible quality loss at quality 85+. Runs entirely in your browser — no upload, no watermark.

BMP to PNG Converter

Convert BMP bitmaps to lossless PNG with full transparency support and 70–95 % typical size reduction. No quality loss, no watermark — the entire conversion happens inside your browser tab using the standard Canvas API.

Brightness & Contrast Tool

Brighten, darken, or boost contrast on any photo with two simple sliders. Real pixel-level adjustment runs in your browser and exports a clean PNG instantly — no upload, no account.

Change Background Color

Upload an image to detect and replace its background color with a new color using adjustable tolerance.

Collage Maker

Create collage grid templates with customizable rows, columns, gaps, and rounded corners. Live preview with SVG and CSS export.

Color Splash Effect

Keep one colour vivid and turn the rest of the photo black-and-white for a striking editorial look. Pick the colour, set how strict the match should be, and download a real PNG — all in your browser.

Double Exposure Effect

Blend two images into one surreal photograph in your browser. Pick a blend mode (screen, multiply, overlay, soft light, hard light, lighten, darken, difference) and an opacity level, then download a real PNG.

Duotone Effect

Map any photo to two colours of your choice — the famous Spotify-style duotone look. Pick a shadow colour and a highlight colour, and the tool blends every pixel along that gradient. Download a real PNG.

Edge Detection

Find the contours in any photo using classic Sobel, Prewitt, or Laplacian convolution kernels. Adjust the threshold to control how many edges are kept and optionally invert to black-on-white. Real PNG download.

EXIF Data Editor

Configure EXIF metadata fields like title, author, copyright, and description for image files.

EXIF Data Remover

Strip EXIF metadata from images for privacy, with options to keep orientation or color profile.

EXIF Data Viewer

View all EXIF metadata from images including camera info, GPS coordinates, exposure settings, and more.

Exposure Correction

Fix under- or over-exposed photos using photographer-friendly stops (±3 EV) and a gamma curve for midtone control. Build a 256-entry lookup table internally for speed and download a real PNG.

Fish-Eye Effect

Bend any photo into a wide-angle fish-eye view, mimicking an 8mm lens. Tune both the distortion strength and the zoom for a subtle bulge or an extreme spherical look. Real PNG download.

Gradient Background Maker

Generate SVG and CSS gradient backgrounds with linear or radial direction, up to 3 color stops, and custom dimensions.

Gradient Map Tool

Map every pixel’s luminance to a custom three-stop colour gradient (shadow, midtone, highlight) for dramatic cinematic colour grading. Real PNG output with three colour pickers and a live before/after preview.

Green Screen Remover

Upload an image and remove green screen or any chroma key color with adjustable tolerance and edge softness.

HEIC to PNG Converter

Convert iPhone HEIC / HEIF photos to universally compatible PNG, lossless and ready for any app, website, document, or email — even those that reject HEIC outright. Runs entirely in your browser; your photos never leave your device.

ICO to PNG Converter

Extract a Windows ICO favicon or app icon as a PNG with full transparency. The browser auto-picks the largest embedded resolution so you get the sharpest possible image. Drop, preview, download — all locally, no upload.

Image Compare Tool

Compare two images side by side with slider, overlay, and pixel difference modes to spot changes instantly.

Image Filters

Apply ten Instagram-style filter presets (Clarendon, Gingham, Moon, Lark, Reyes, Juno, Slumber, Crema, Ludwig, Amaro) directly to your photo with a strength slider. Real PNG output processed in-browser.

Image Metadata Editor

Configure image metadata fields including title, creator, copyright, description, and keywords.

Image Metadata Viewer

View complete EXIF, IPTC, and XMP metadata from any image file with formatted output.

Image Overlay Tool

Upload an image and add a color overlay with adjustable blend mode and opacity.

Image Splitter

Upload an image and split it into a grid of tiles with configurable rows, columns, and gap size.

JPEG Compressor

Upload an image and compress it to JPEG with adjustable quality and optional resizing.

Kaleidoscope Effect

Take a single triangular slice of your photo and mirror it 2–24 times around the centre to create stunning kaleidoscope and mandala patterns. Real PNG output with a slice-count slider.

Lens Flare Effect

Burn a realistic lens flare directly into your photo — main bright burst plus four ghost artefacts along the optical axis. Tune position, intensity, and tint colour. Real PNG output.

Liquify Tool

Apply a global swirl distortion to your photo — controllable centre, radius, and rotation strength. Real PNG output, computed pixel-by-pixel in your browser with bilinear sampling.

Manual Background Removal

Remove image backgrounds manually with a brush tool. Paint to erase, paint to restore. Works entirely in your browser — no uploads, no signup.

Mirror Effect

Flip, mirror, or quadrant-mirror your photo — horizontal flip, vertical flip, both axes, or four-way kaleidoscope-style mirroring. Real PNG output processed in your browser.

Photo Grid Maker

Create photo grid layout templates with multiple presets, customizable gaps, and rounded corners. Live preview with SVG and CSS export.

Pixelate Image

Pixelate any photo into chunky blocks with a 2–100 px block-size slider — great for retro 8-bit aesthetics or for censoring faces and licence plates. Real PNG output, runs entirely in your browser.

PNG Compressor

Upload an image and export it as an optimized PNG with optional resizing to reduce file size.

QR Code Reader

Upload an image containing a QR code to instantly decode its content — text, URLs, vCards, or WiFi credentials.

Saturation Adjuster

Boost or drain colour intensity with a single 0–300% saturation slider. 0% gives a perfect grayscale, 100% leaves your photo untouched, 200%+ gives that punchy editorial look. Real PNG output.

Selective Color Effect

Pick a target colour family (red, orange, yellow, green, cyan, blue, magenta) and shift its hue, lift its saturation, or change its lightness without touching the rest of the photo. Real PNG output processed in-browser.

Sepia Tone Converter

Apply a classic warm sepia tone to any photo with an intensity slider — 0% leaves the original colour, 100% gives a fully aged 1900s photograph look. Real PNG output processed in your browser.

Sharpen Image

Sharpen any photo using an unsharp-mask convolution — choose Light, Medium, or Strong preset to recover crispness in soft, slightly-out-of-focus, or downscaled images. Real PNG output processed in your browser.

Snow Effect

Sprinkle realistic falling-snow over any photo — control flake density (10–500), size range, and opacity. Real PNG output processed in your browser, perfect for holiday cards and winter Instagram posts.

SVG to JPG Converter

Rasterise an SVG into a real JPG image directly in your browser. The browser renders the SVG at its native viewBox size, paints it onto a canvas with your chosen background colour, then encodes to JPG at the quality you pick. Perfect for icons or logos that need to be sent somewhere SVG is not supported (e.g. WhatsApp, MMS, old printers).

TIFF Compressor

Upload a TIFF image and convert it to a smaller JPEG, PNG, or WebP format with quality control.

TIFF to JPG Converter

Convert TIFF images to compact JPEGs with adjustable quality and configurable background colour for transparent areas. Best results in Safari (the only major browser with native TIFF decode); Chromium and Firefox users should run TIFFs through Preview or our SVG-based fallback first.

TIFF to PNG Converter

Convert TIFF scans and screenshots to lossless PNG with full alpha support. Best results in Safari (the only major browser with native TIFF decode); Chromium and Firefox users may see decode errors. Browser-based — no upload, no watermark.

Transparent Background Maker

Upload an image and remove a specific background color, making matching pixels transparent with configurable tolerance and edge smoothing.

Vintage Photo Effect

Bake a complete vintage look into your photo: warm sepia tone, contrast lift, soft vignette, and authentic monochrome film grain — all in one pass. Real PNG output processed in your browser.

WebP Compressor

Upload an image and compress it to WebP with adjustable quality and optional resizing.

WebP to JPG Converter

Convert WebP images to widely compatible JPEG with adjustable quality and configurable background colour for transparent areas. Live preview, instant download, runs entirely in your browser — no upload, no quality cap.

WebP to PNG Converter

Convert WebP images to lossless PNG with full alpha support. Toggle to keep transparency or flatten onto a chosen background colour. Browser-based, no watermark — every pixel stays on your device.

White Background Tool

Generate a solid-color background image as SVG, PNG, or Canvas code with custom dimensions and optional label text.

Round Image Corners

Upload an image and round its corners with uniform, circle, top-only, or bottom-only options. Exports as PNG with transparency.

Add Border to Image

Upload an image and add a border with customizable width, color, and style (solid, dashed, dotted, double).

Blank Image Generator

Generate a perfectly blank image at any dimension, with any background colour (or fully transparent), in PNG, JPG, or SVG. Useful for spacer images in HTML emails, blank canvas exports for new artwork, transparent layout shims, and design system base files. Live preview, instant download.

Image Analyzer

Upload an image to instantly analyze its format, dimensions, file size, aspect ratio, and megapixel count.

Find Dominant Colors

Upload an image to extract its dominant color palette with hex values and frequency percentages.

PNG to GIF Converter

Re-encode a single PNG frame as a static .gif drop-in for legacy systems and chat / forum platforms that expect a .gif extension. Browsers cannot natively encode true GIFs, so we deliver a single-frame PNG with a .gif filename — works wherever a static "image" is accepted.

GIF to PNG Converter

Convert a GIF (or the first frame of an animated GIF) to a lossless PNG with full alpha transparency. Browser-based — your file never leaves your device. Toggle to flatten onto a chosen background colour for non-transparent output.

JPG to GIF Converter

Re-encode a JPG photo as a static .gif drop-in for legacy systems and platforms that strictly expect a .gif extension. Browsers cannot natively encode true GIF, so we serve a single-frame PNG with a .gif filename — works wherever a static "image" is accepted.

GIF to JPG Converter

Convert a GIF (or its first frame, for animated GIFs) to a compact JPEG with adjustable quality and configurable background fill for transparent areas. Live preview, instant download, browser-only — your file never leaves your device.

Image Annotator

Upload an image and annotate it with freehand drawing, shapes, arrows, and text. Download the result as PNG.

Glitch Image Maker

Apply real RGB-channel separation and horizontal slice displacement to any photo for an authentic VHS / databend / vapourwave glitch look. Real PNG output processed in your browser.

Image Resizer

Upload an image and resize it by target dimensions or scale percentage with high-quality interpolation.

Make Image Semi-Transparent

Bake an opacity value (0–100%) directly into your image’s alpha channel — no CSS, no compositing trick. Always outputs a real semi-transparent PNG that works in any app, document, or design tool.

Image Viewer

Upload and view images directly in the browser with zoom controls, fullscreen mode, and file info display.

Polaroid Effect

Wrap any photo in a real Polaroid-style white frame with thick bottom margin, optional handwritten caption, and configurable tilt. Real PNG output — ready to use in slide decks, social posts, or photo walls.

Compress Video

Reduce video file size while preserving quality. 100% browser-based — your video never leaves your device.

Convert Video

Convert videos between MP4, WebM, MOV, MKV, and animated GIF — entirely in your browser. Your file never leaves your device.

Compress Audio

Shrink any audio file to a smaller size by lowering the bitrate. Pick a target quality (96, 128, 192, 256, or 320 Kbps) or output format (MP3, OGG, M4A) and the file is re-encoded right inside your browser using FFmpeg WebAssembly. Nothing is uploaded — your audio never leaves your device.

Convert Audio

Convert any audio file between MP3, WAV, OGG, FLAC, M4A, AAC, and Opus right in your browser. Pick the output format and (for lossy formats) the target bitrate. Everything runs locally with FFmpeg WebAssembly — your file is never uploaded and no account is required.

Word Counter

Count words, characters, sentences, and paragraphs.

Case Converter

Convert text between uppercase, lowercase, title case, and more.

Lorem Ipsum Generator

Generate placeholder text for design and development.

Diff Checker

Compare two texts side by side and highlight differences.

Remove Duplicate Lines

Remove duplicate lines from your text.

Sort Lines

Sort text lines alphabetically or in reverse.

Text Reverser

Reverse text by character, word, or line.

Markdown to HTML

Convert Markdown text to HTML with live preview.

HTML to Markdown

Convert HTML markup to clean Markdown text.

Find & Replace

Find and replace text with regex support.

Remove Whitespace

Trim, collapse, or remove whitespace from text.

Character Counter

Count characters with optional maximum length enforcement.

Text to Slug

Convert any text into a URL-safe slug.

Uppercase Converter

Convert any text to UPPERCASE instantly in your browser.

Lowercase Converter

Convert any text to lowercase instantly in your browser.

Title Case Converter

Convert text to Title Case — capitalize the first letter of each word.

Sentence Case Converter

Convert text to sentence case — capitalize only the first letter of each sentence.

camelCase Converter

Convert text to camelCase for programming variable names.

PascalCase Converter

Convert text to PascalCase for class names and component names.

snake_case Converter

Convert text to snake_case for programming identifiers.

kebab-case Converter

Convert text to kebab-case for URLs and CSS class names.

Alternating Case Converter

Convert text to aLtErNaTiNg CaSe for memes and sarcasm.

Toggle Case Converter

Invert the case of every character — uppercase becomes lowercase and vice versa.

dot.case Converter

Convert text to dot.case — words separated by periods.

CONSTANT_CASE Converter

Convert text to CONSTANT_CASE (UPPER_SNAKE_CASE) for constants.

Remove Line Breaks

Remove all line breaks from text and join into a single line.

Remove Empty Lines

Remove blank/empty lines from text while keeping content lines.

Remove Special Characters

Strip all special characters from text, keeping only letters, numbers, and spaces.

Remove Numbers

Strip all numbers (digits 0-9) from text.

Remove Letters

Strip all letters (a-z, A-Z) from text, keeping numbers and symbols.

Remove Punctuation

Strip all punctuation marks from text.

Remove HTML Tags

Strip all HTML tags from text and extract plain text content.

Remove Accents

Remove accents and diacritics from text, replacing with base letters.

Trim Text

Trim leading and trailing whitespace from text or individual lines.

Text Truncator

Truncate text to a specific character count with a custom suffix.

Add Line Numbers

Add sequential line numbers to each line of text.

Add Prefix/Suffix

Add a prefix and/or suffix to every line of text.

Line Counter

Count total lines, non-empty lines, and empty lines in text.

Sentence Counter

Count sentences in your text instantly with clear, browser-based results.

Paragraph Counter

Count paragraphs in pasted text using blank-line breaks in your browser.

Reading Time Estimator

Estimate how long text takes to read using adjustable words-per-minute assumptions.

Speaking Time Estimator

Estimate speech duration from a script using words-per-minute for presentations and video.

Keyword Density Checker

See how often keywords appear relative to total words for quick on-page SEO checks.

Most Frequent Words

List the most common words in your text to spot repetition and themes at a glance.

Average Word Length

Compute average characters per word to gauge readability and vocabulary complexity.

Unique Word Counter

Count distinct words in your text to measure vocabulary variety and duplication.

Whitespace Counter

Count spaces, tabs, and line breaks to audit formatting and hidden characters.

Reverse Words

Reverse the order of words in your text while keeping individual letters unchanged.

Reverse Lines

Flip the order of lines in a list or document while preserving text on each line.

Sort Lines by Length

Sort lines shortest-to-longest or longest-to-shortest for quick visual organization.

Shuffle Lines

Randomize line order for brainstorming, quiz shuffling, or anonymized item pools.

Shuffle Words

Randomize word order inside a block of text for creative prompts and obfuscation games.

Text Repeater

Repeat a string or block of text N times with optional separators for testing and memes.

Wrap Text

Hard-wrap long lines to a maximum width for emails, READMEs, and terminal-friendly output.

Text to Hashtags

Turn words or phrases into hashtag tokens for social captions and campaign tagging.

Indent/Unindent Text

Add or remove leading spaces or tabs on each line for code blocks and nested lists.

Transpose Text

Swap rows and columns so lines become character columns like a matrix transpose.

String Length Checker

Measure character and byte-style counts for strings, including grapheme awareness where supported.

Palindrome Checker

Test whether text reads the same forwards and backwards after normalizing spaces and case.

Anagram Checker

Verify whether two strings are anagrams using the same multiset of letters.

Substring Counter

Count overlapping or non-overlapping occurrences of a needle substring inside your haystack text.

String Splitter

Split text into fields or lines using delimiters, regex, or fixed widths for quick restructuring.

String Joiner

Join lines or tokens with a custom delimiter to build CSV rows, paths, or SQL lists.

Text to Binary Converter

Turn any text into space-separated 8-bit binary for every UTF-8 byte, live in your browser.

Binary to Text Converter

Decode space-separated 8-bit binary groups into readable UTF-8 text instantly.

Text to Hex Converter

Encode text to lowercase hexadecimal byte pairs for every UTF-8 byte, updated live.

Hex to Text Converter

Decode hex digits (spaced or continuous) into UTF-8 text in real time.

Text to Octal Converter

Show each UTF-8 byte as three-digit octal values separated by spaces, live.

Octal to Text Converter

Decode whitespace-separated octal byte codes into UTF-8 text instantly.

Text to ASCII Codes

List every UTF-8 byte as a decimal number from 0 to 255, separated by spaces.

ASCII to Text Converter

Turn space-separated decimal byte values (0–255) into UTF-8 text live.

Text to Base64 Encoder

Encode any Unicode text to Base64 using a browser-safe UTF-8 pipeline.

Base64 to Text Decoder

Decode Base64 strings back to readable Unicode text with one click.

Morse Code Converter

Translate letters and digits to ITU Morse and back with live bidirectional editing.

NATO Phonetic Alphabet

Spell text with standard NATO words such as Alpha, Bravo, and Charlie.

Text to Braille Converter

Map English letters a–z to Unicode Braille patterns while leaving other symbols unchanged.

HTML Entity Encoder

Escape ampersands, angle brackets, and quotes into common HTML entities in real time.

HTML Entity Decoder

Turn HTML entities like &amp; and &#39; back into raw characters with live feedback.

Unicode Escape Encoder

Encode text to JavaScript-style \uXXXX and \u{...} escapes with bidirectional editing.

Unicode Escape Decoder

Decode \uXXXX and \u{…} sequences back into real Unicode characters live.

ROT13 Encoder

Apply the ROT13 self-inverse cipher to Latin letters with instant bidirectional updates.

Caesar Cipher

Shift A–Z and a–z by a selectable amount from 1 to 25 with a single process click.

MD5 Hash Generator

Compute the MD5 digest of any string as 32 lowercase hexadecimal characters.

SHA-1 Hash Generator

Compute a160-bit SHA-1 digest of UTF-8 text and view it as forty hex characters.

SHA-256 Hash Generator

Generate a SHA-256 digest of UTF-8 text as sixty-four lowercase hex characters.

SHA-512 Hash Generator

Produce a SHA-512 digest of UTF-8 text as one hundred twenty-eight hex characters.

HMAC-SHA256 Generator

Compute HMAC-SHA256 using a first-line secret or a built-in demo key from a menu.

CRC32 Checksum Generator

Calculate the IEEE CRC32 checksum of UTF-8 text as eight uppercase hexadecimal digits.

BMI Calculator

Calculate your Body Mass Index with metric or imperial units.

Age Calculator

Calculate exact age in years, months, and days.

Loan Calculator

Calculate monthly loan payments and total interest.

Percentage Calculator

Calculate percentages in three different modes.

Unit Converter

Convert between units of length, weight, temperature, and more.

Tip Calculator

Calculate tips and split bills between people.

Discount Calculator

Calculate sale prices and amount saved from discounts.

Timezone Converter

Convert times between any world timezones.

Tax Calculator

Calculate tax amounts and totals from any tax rate.

Basic Calculator

Add, subtract, multiply, divide, or take the remainder of two numbers in your browser.

Scientific Calculator

Evaluate expressions with trig, log, powers, parentheses, pi, and e using a safe parser (no eval).

Fraction Calculator

Add, subtract, multiply, or divide two fractions and get a simplified result as a fraction and decimal.

Decimal to Fraction Converter

Convert decimals to simplified fractions or fractions to decimals with one bidirectional field.

Fraction to Decimal Converter

Turn fractions into decimals or decimals into simplified fractions using bidirectional conversion.

Square Root Calculator

Compute the square root of a non-negative number and see whether it is a perfect square.

Cube Root Calculator

Compute the cube root of any real number, including negatives, in one step.

Power Calculator

Raise a base to an exponent and see the numeric result for real powers.

Factorial Calculator

Compute n factorial for integers from 0 through 170 using exact big-integer arithmetic.

Modulo Calculator

Find the remainder after dividing one number by another (the modulo operation).

Absolute Value Calculator

Compute the absolute value |x| of any real number you enter.

LCM Calculator

Find the least common multiple of two integers using the GCD relationship.

GCD Calculator

Find the greatest common divisor of two integers with the Euclidean algorithm.

Prime Number Checker

Test whether a non-negative integer is prime and list helpful factors when it is composite.

Prime Factorization Calculator

Decompose an integer into its prime factors with compact exponent notation.

Random Number Generator

Generate up to 100 cryptographically random integers in an inclusive min–max range.

Number Rounding Calculator

Round a number to chosen decimal places and compare round, ceil, and floor side by side.

Significant Figures Calculator

Round a number to between one and eight significant figures for lab-style reporting.

Scientific Notation Converter

Convert ordinary numbers to scientific notation and parse scientific strings back to standard form.

Quadratic Equation Solver

Solve ax² + bx + c = 0 with the quadratic formula, discriminant, and complex roots when needed.

Linear Equation Solver

Solve ax + b = 0 for x, including the identity and no-solution cases.

Ratio Calculator

Given a : b = c : x, compute the missing fourth proportional x from three known values.

Proportion Calculator

Solve a/b = c/d for whichever variable is unknown using cross-multiplication.

Logarithm Calculator

Compute log base b of x for positive x and valid bases using the change-of-base formula.

Natural Log Calculator

Compute the natural logarithm ln(x) for positive x in one click.

System of Equations Solver

Solve a 2×2 linear system a₁x+b₁y=c₁, a₂x+b₂y=c₂ using Cramer’s rule in your browser.

Polynomial Root Finder

Find real roots of quadratic or cubic polynomials using the quadratic formula and Cardano’s method for cubics.

Linear Inequality Solver

Solve one-step linear inequalities of the form ax + b compared to c with correct flip when a < 0.

Variation Calculator

Compute y for direct variation y = kx or inverse variation y = k/x given k and x.

Sequence Calculator

Get the nth term and partial sum of an arithmetic or geometric sequence from a₁, difference or ratio, and n.

Series Sum Calculator

Sum the first n terms of an arithmetic or geometric series from the first term and common difference or ratio.

Binomial Theorem Calculator

Expand (a + b)ⁿ numerically for integer n up to 20 and list binomial-weighted terms.

Antilog Calculator

Raise a base to a power: antilog base b of x is bˣ, default base 10.

2×2 Matrix Calculator

Determinant, transpose, addition, and multiplication for two 2×2 matrices entered by elements.

Matrix Determinant Calculator

Compute the determinant of a 2×2 or 3×3 matrix from its entries.

2×2 Matrix Inverse Calculator

Invert a 2×2 matrix when the determinant is non-zero; shows inverse rows and det(A).

2×2 Matrix Transpose Calculator

Swap rows and columns of a 2×2 matrix to get its transpose Aᵀ.

2D Vector Calculator

Add, subtract, dot product, or magnitude for 2D vectors from their components.

Complex Number Calculator

Add, subtract, multiply, or divide two complex numbers given real and imaginary parts.

Area Calculator

Find area for triangle, rectangle, circle, or trapezoid using the dimensions you provide.

Perimeter Calculator

Perimeter for triangle, rectangle, circle, or trapezoid using sides, radius, or leg lengths.

Volume Calculator

Volumes for sphere, cube, cylinder, and cone from radius, edge, or height.

Surface Area Calculator

Surface area for sphere, cube, cylinder, or cone including lateral parts where applicable.

Circle Calculator

From radius or diameter, get area, circumference, and the other linear measure.

Triangle Calculator

Area from base and height, perimeter from three sides, and triangle type classification.

Rectangle Calculator

Area, perimeter, and diagonal from length and width.

Square Calculator

Area, perimeter, and diagonal from one side length.

Trapezoid Calculator

Area from parallel bases and height; perimeter from bases and both legs.

Parallelogram Calculator

Area as base×height and perimeter as 2(base + adjacent side).

Regular Polygon Calculator

Area, perimeter, and interior angle for a regular polygon from side count and side length.

Ellipse Calculator

Area and Ramanujan-style circumference approximation from semi-major and semi-minor axes.

Cylinder Calculator

Volume, lateral surface area, and total surface area from radius and height.

Sphere Calculator

Volume and surface area of a sphere from its radius.

Cone Calculator

Volume, slant height, and surface area of a right circular cone.

Cube Calculator

Volume, surface area, and space diagonal from edge length.

Square Pyramid Calculator

Volume (base²×h/3) and surface area for a right square pyramid from base edge and height.

Pythagorean Theorem Calculator

Find hypotenuse from two legs or a missing leg from one leg and the hypotenuse.

Distance Between Two Points

Euclidean distance in the plane from coordinates (x₁,y₁) and (x₂,y₂).

Midpoint Calculator

Midpoint of a segment from endpoints (x₁,y₁) and (x₂,y₂).

Slope Calculator

Slope between two points and angle of inclination in degrees (except vertical lines).

Angle & Trig Calculator

Convert degrees and radians and show sin, cos, and tan for the angle.

Mean Median Mode Calculator

Compute mean, median, and mode(s) from a comma- or space-separated list of numbers.

Standard Deviation Calculator

Sample and population standard deviation and variance from a number list.

Variance Calculator

Population and sample variance from a comma-separated list of numbers.

Range Calculator

Minimum, maximum, and range from a list of numbers.

Percentile Calculator

Linear-interpolated percentile from a sorted view of your numeric list.

Z-Score Calculator

Standardize a value with z = (x − μ) / σ for a given mean and standard deviation.

Confidence Interval Calculator

Normal-approximate two-sided CI for a mean using z for 90%, 95%, or 99%.

Sample Size Calculator

Approximate sample size for estimating a proportion at a given margin and confidence.

Probability Calculator

Classical probability as favorable outcomes divided by total outcomes.

Permutation Calculator nPr

Permutations nPr = n!/(n−r)! for non-negative integers with r ≤ n.

Combination Calculator nCr

Combinations nCr = n!/(r!(n−r)!) for non-negative integers with r ≤ n.

Binomial Distribution PMF

Probability P(X = k) for Binomial(n, p) using the binomial formula in log form for stability.

Normal Distribution Calculator

z-score and approximate P(X ≤ x) for a normal with mean μ and standard deviation σ.

Poisson Distribution PMF

Probability P(X = k) for Poisson(λ) using λ and integer k.

Correlation Coefficient Calculator

Compute Pearson’s r from two comma-separated lists of paired x and y values in your browser.

Linear Regression Calculator

Fit a least-squares line to paired x and y data and read slope, intercept, and R².

Chi-Square Calculator

Compare observed and expected frequency lists and compute the chi-square statistic and degrees of freedom.

Two-Sample t-Test Calculator

Run Welch’s two-sample t-test from two comma-separated samples and compare p-value to your alpha.

P-Value from z-Score Calculator

Convert a standard normal z-score to two-tailed and one-tailed p-values using a normal approximation.

Weighted Average Calculator

Combine two matching lists of values and weights to compute a weighted arithmetic mean.

Simple Moving Average Calculator

Enter a series and a window size to see the SMA sequence and the latest smoothed value.

Geometric Mean Calculator

Compute the geometric mean of positive numbers from a single comma-separated list.

Harmonic Mean Calculator

Calculate the harmonic mean for rates and ratios from a comma-separated list of non-zero values.

Simple Interest Calculator

Compute simple interest and total amount from principal, annual rate percent, and time in years.

Compound Interest Calculator

Project maturity with A = P(1 + r/n)^(nt) for annual percent rate, years, and compounding frequency.

Mortgage Calculator

Estimate monthly mortgage payment and total interest from loan amount, annual rate, and term in years.

Car Loan Calculator

Find an auto loan monthly payment from vehicle price, down payment, annual rate, and term in months.

Personal Loan Calculator

Compute monthly payment, total repaid, and interest for a fixed-rate personal loan over months.

Home Loan Calculator

Derive loan amount from home price and down percent, then monthly payment and total interest over years.

Credit Card Payoff Calculator

Simulate months to zero balance and total interest paid from balance, APR, and a fixed monthly payment.

Savings Calculator

Project future value with an initial deposit, monthly contributions, annual rate, and horizon in years.

FD Calculator (Quarterly Compounding)

Estimate fixed deposit maturity with principal, annual rate, and tenure using quarterly compounding.

RD Calculator (Recurring Deposit)

Approximate recurring deposit maturity from monthly installment, annual rate, and tenure in months.

PPF Calculator (Simplified)

Rough maturity from yearly deposits with a default 7.1% rate and 15-year tenure using simplified annual compounding.

SIP Calculator

Estimate mutual-fund-style SIP future value from monthly investment, expected annual return, and years.

Lumpsum Investment Calculator

Compound a single lump sum at a constant annual return percentage over a whole-number of years.

ROI Calculator

Compute return on investment percent and optional annualized ROI when you also enter years held.

NPV Calculator

Discount comma-separated yearly cash flows after an initial investment using one annual discount rate.

IRR Calculator (Newton)

Estimate internal rate of return with Newton–Raphson from a negative initial cash flow and future flows.

Break-Even Calculator

Divide fixed costs by per-unit contribution margin to get break-even units sold.

Profit / Loss Calculator

Subtract cost from selling price to see profit or loss amount and percent of cost.

Markup Calculator

Apply a markup percent to cost to get selling price and gross profit in one step.

GST Calculator (CGST / SGST)

Split Indian-style GST into equal CGST and SGST halves plus total tax and invoice total.

Inflation Calculator

Show future nominal value and today’s purchasing power equivalent using compound inflation.

Retirement Savings Calculator

Project account balance at retirement from current savings, monthly contributions, and return rate.

Net Worth Calculator

Sum comma-separated assets and liabilities lists to compute total assets, debts, and net worth.

50/30/20 Budget Calculator

Split monthly income into 50% needs, 30% wants, and 20% savings or debt paydown using the rule of thumb.

Split Bill Calculator

Add tip percent to the bill total and divide evenly across the number of people dining or sharing.

Salary to Hourly Calculator

Divide annual salary by default 40 hours per week and 52 weeks to get an equivalent hourly rate.

Hourly to Salary Calculator

Multiply hourly rate by hours per week and weeks per year for an implied annual salary.

Paycheck Calculator

Subtract a flat tax percent and other deductions from gross pay to approximate net pay.

Freelancer Hourly Rate Calculator

Spread desired annual income plus expenses over billable hours after weeks off to get a minimum hourly rate.

BMR Calculator (Mifflin–St Jeor)

Estimate basal metabolic rate in kilocalories per day from weight, height, age, and sex.

TDEE Calculator

Multiply Mifflin–St Jeor BMR by an activity factor from sedentary through very active levels.

Calorie Target Calculator

Start from TDEE and adjust by −500, 0, or +500 kcal for lose, maintain, or gain goal presets.

Calorie Burn Calculator (MET)

Multiply MET by body weight and duration to approximate kilocalories burned for common activities.

Ideal Body Weight Calculator (Devine)

Apply the Devine formula from height in centimeters and gender for a classic reference weight in kilograms.

Body Fat Calculator (U.S. Navy)

Estimate body fat percent from neck, waist, height, and hip (women) using the U.S. Navy circumference method.

Waist-to-Hip Ratio Calculator

Divide waist by hip in centimeters and compare to WHO-style high-level risk bands for men and women.

Daily Water Intake Calculator

Scale liters per day from body weight and a coarse activity bucket using milliliters-per-kilogram heuristics.

Protein Intake Calculator

Multiply weight in kilograms by grams-per-kilogram tied to sedentary through very active presets.

Macro Calculator (Calorie Split)

Turn daily calories into protein, carbohydrate, and fat grams for balanced, low-carb, or high-protein presets.

Heart Rate Zone Calculator

Use the 220 minus age estimate for max heart rate and show three coarse training zone bpm ranges.

VO₂ Max Calculator (Cooper)

Apply the Cooper test linear formula to twelve-minute run distance in meters for an estimated VO₂ max.

Pace Calculator

Compute pace per km or mile from distance and time.

Steps to Distance Calculator

Convert steps and stride length into kilometers and miles.

Sleep Cycle Bedtime Calculator

Suggested bedtimes from wake time using 90-minute cycles.

Ovulation Estimator

Rough fertile-window estimate from last period and cycle length.

Pregnancy Due Date Calculator

Classic due date from first day of last period plus 280 days.

Baby Age Calculator

Age in years, months, and days from a birth date.

Child Height Predictor

Mid-parental adult height estimate from parent heights.

Date Difference Calculator

Days, weeks, months, and years between two dates.

Date Add and Subtract

Add or subtract days, weeks, months, or years from a start date.

Day of Week Calculator

Weekday name for any ISO calendar date.

Days Until Calculator

Whole days from today to a target date in UTC.

Business Days Calculator

Count Monday–Friday weekdays between two dates.

Work Hours Calculator

Total paid hours between clock times minus break minutes.

Unix Timestamp Converter

Unix seconds to ISO date-time and back bidirectionally.

Countdown Timer

Days, hours, minutes, and seconds snapshot to a date.

Time Duration Calculator

Duration between two clock times with hours, minutes, seconds.

ISO Week Number Calculator

ISO-8601 week label for a given date.

Leap Year Checker

Gregorian leap test and next leap year lookup.

Days in Month Calculator

How many days a month has for a chosen year.

Time to Decimal Hours

HH:MM:SS clock time to decimal hours bidirectionally.

Decimal Hours to Time

Decimal hours to HH:MM:SS and reverse bidirectionally.

Binary to Decimal Converter

Binary integers to decimal and back bidirectionally.

Decimal to Binary Converter

Decimal integers to binary text and reverse.

Hex to Decimal Converter

Hexadecimal integers to decimal and back.

Decimal to Hex Converter

Decimal integers to uppercase hex and reverse.

Octal to Decimal Converter

octal ↔ decimal integers

Decimal to Octal Converter

decimal ↔ octal integers

Binary to Hex Converter

binary ↔ hexadecimal

Hex to Binary Converter

hexadecimal ↔ binary

Binary to Octal Converter

binary ↔ octal

Octal to Binary Converter

octal ↔ binary

Number Base Converter

parse number colon base to decimal

Roman Numeral Converter

Roman numerals ↔ decimal 1–3999

Number to Words Converter

integer digits ↔ English words

Words to Number Converter

English words ↔ integer

BCD Calculator

decimal ↔ packed BCD nibbles

Length Unit Converter

km m cm mm mi yd ft in

Weight Unit Converter

kg g mg lb oz stone

Temperature Converter

Celsius Fahrenheit Kelvin

Area Unit Converter

sq m sq ft sq yd acre hectare

Volume Unit Converter

L mL gal qt pt cup fl-oz

Speed Unit Converter

km/h mph m/s knots

Time Unit Converter

seconds through weeks

Pressure Unit Converter

Pa kPa bar psi atm

Energy Unit Converter

J kJ cal kcal kWh BTU

Power Unit Converter

W kW hp BTU/h

Data Storage Converter

B KB MB GB TB PB binary

Data Transfer Speed Converter

bps Kbps Mbps Gbps decimal

Frequency Unit Converter

Hz kHz MHz GHz

Fuel Efficiency Converter

MPG L/100km km/L US MPG

Angle Converter

deg rad grad together

Torque Converter

Nm ft-lb kgf-m

Density Converter

kg/m3 g/cm3 lb/ft3

Force Converter

N kN lbf kgf dyn

Illuminance Converter

lux and foot-candles

Shoe Size Converter

US UK EU approximate

Clothing Size Converter

XS–XXL US UK EU

Ohm's Law Calculator

solve V I R with any two

Resistor Color Code Calculator

four band resistance

Capacitor Energy Calculator

E equals one half C V squared

Inductor Energy Calculator

E equals one half L I squared

Wavelength Frequency Calculator

c equals lambda f vacuum

Decibel Power Calculator

ten log10 P2 over P1

Voltage Divider Calculator

Vout unloaded resistor divider

LED Resistor Calculator

series resistor from V I

Power Factor Calculator

PF equals P over S

Electric Charge Calculator

Q equals I times t

Molarity Calculator

M equals n over V

Dilution Calculator

C1V1 equals C2V2

pH Calculator

pH from hydrogen ion molarity

Molecular Weight Calculator

simple element formula weight

Ideal Gas Law Calculator

PV equals nRT SI R 8.314

Kinetic Energy Calculator

one half m v squared

Potential Energy Calculator

m g h near Earth

Velocity Calculator

v equals d over t plus km/h mph

Acceleration Calculator

Find average acceleration from velocity change and elapsed time using a = Δv/Δt.

Force Calculator (F = ma)

Compute force in newtons from mass in kilograms and acceleration in m/s².

Momentum Calculator

Calculate linear momentum p = mv from mass and velocity in SI units.

Torque Calculator

Find torque τ = F d sin(θ) with force, lever arm distance, and angle in degrees.

Pressure Calculator

Compute pressure P = F/A from force in newtons and area in square meters.

Density Calculator

Find density ρ = m/V from mass and volume in kilograms and cubic meters.

Buoyancy Calculator

Estimate buoyant force Fb = ρ V g using fluid density, submerged volume, and gravity.

Heat Transfer Calculator (Q = mcΔT)

Compute heat energy Q = m c ΔT for a temperature change using specific heat.

Thermal Expansion Calculator

Estimate length change ΔL = α L₀ ΔT for linear thermal expansion.

Hooke’s Law Calculator

Compute spring force F = k x from spring constant and displacement.

Concrete Volume Calculator

Estimate concrete volume in cubic yards from slab length, width, and depth in feet and inches.

Brick Calculator

Estimate brick count from wall area and brick size class using common bricks-per-square-foot rules.

Paint Calculator

Estimate gallons from room dimensions using about 350 square feet per gallon and your coat count.

Flooring Calculator

Compute net square footage and add a waste percentage for flooring orders.

Tile Calculator

Estimate how many tiles are needed from floor area and nominal tile size in inches.

Wallpaper Roll Calculator

Estimate rolls from perimeter, wall height, and roll width assuming a standard roll length.

Gravel / Sand Ton Calculator

Convert a box of length, width, and depth in feet to cubic yards and a rough tons estimate.

Roofing Squares Calculator

Estimate roof surface area from footprint and pitch, then express area in roofing squares.

Board Feet Calculator

Compute board feet from nominal thickness and width in inches and length in feet.

Square Footage Calculator

Convert a rectangle in feet to square feet, square meters, and acres.

Fence Post & Rail Estimator

Estimate posts from fence line length and spacing, plus rails assuming three rails per segment.

Pool Volume Calculator (Gallons)

Estimate gallons for rectangle, round, or oval pools from dimensions and average depth in feet.

Stair Calculator

Estimate the number of steps from total rise and target riser height, plus a tread suggestion.

Beam Load Calculator (Uniform)

Estimate maximum bending moment for a simply supported beam with uniform load per foot.

Property Tax Calculator

Multiply assessed home value by a tax rate percentage to estimate annual property tax.

Rent Affordability Calculator

Estimate maximum affordable rent using a 28% of gross income rule minus monthly debt payments.

Home Equity Calculator

Subtract mortgage balance from home value to show equity dollars and percent of value.

Loan-to-Value (LTV) Calculator

Compute LTV as loan amount divided by property value times 100.

GPA Calculator (4.0 Scale)

Compute weighted GPA from letter grades with credits like A:3, B+:4 on a 4.0 scale.

Weighted Grade Average Calculator

Compute a weighted average from parallel lists of scores and weights, with a typical letter label.

Exam Score Calculator

Turn correct answers and total questions into a percent score and a simple letter grade.

CGPA to Percentage Converter

Multiply CGPA by 9.5, 10, or a custom multiplier to approximate a percentage (institutions vary).

Percentage to CGPA Converter

Divide percentage by 9.5, 10, or a custom divisor to approximate CGPA (illustrative only).

Test Score Percentage Calculator

Convert obtained marks and total marks into a percentage and a simple letter grade.

Class Rank Percentile Calculator

Convert your rank and class size into an approximate percentile-rank style summary.

Study Hours Planner

Spread total study hours across days until an exam date from topics and hours per topic.

Essay Word to Pages Estimator

Estimate page count from word count, font size, and line spacing using common words-per-page heuristics.

Fuel Cost Calculator

Multiply trip distance by fuel price per liter divided by kilometers per liter for total fuel cost.

MPG Calculator

Divide miles driven by gallons used to get miles per gallon.

Electricity Cost Calculator

Estimate energy cost from device watts, hours per day, billing days, and price per kilowatt-hour.

Solar Panel Count Estimator

Roughly divide monthly kWh by estimated monthly yield per panel from sun hours and panel wattage.

Download Time Calculator

Estimate transfer time from file size in megabytes and download speed in megabits per second.

File Download Time (MB or GB)

Pick MB or GB for file size and enter Mbps to estimate ideal download duration in seconds.

Bandwidth Calculator

Solve for required Mbps to move a file in megabytes within a time budget in seconds.

Screen PPI Calculator

Compute pixels per inch from horizontal and vertical resolution and diagonal size in inches.

Aspect Ratio Calculator

Simplify width:height to smallest integers and guess a common widescreen name when it matches.

Image File Size Estimator

Rough uncompressed bytes from pixels and bit depth, then scale by a simple compression profile.

Cooking Measurement Converter

Convert common kitchen volumes among cups, tablespoons, teaspoons, fluid ounces, milliliters, and liters.

Recipe Scaler

Scale serving counts and multiply leading numeric amounts on each ingredient line by the ratio.

Baking Unit Converter

Convert flour, sugar, or butter among cups, grams, and ounces using typical cup weights.

Alcohol Units Calculator

Estimate UK-style alcohol units from drink volume in milliliters and ABV percent.

Caffeine Intake Estimator

Multiply typical milligrams per serving by the number of coffees, teas, or energy drinks.

Lottery Odds Calculator

Show one-in-X odds for combinations from main pool size and picks, with optional bonus combinations.

Dice Sum Probability

Compute exact probability for a target sum with fair six-sided dice using dynamic programming counts.

Card Draw Probability (Hypergeometric)

Compute P(X = k) for drawing without replacement from a deck with marked successes.

Plain Text to HTML

Wrap paragraphs in <p> tags and turn single newlines inside paragraphs into <br> line breaks.

HTML to Plain Text

Strip tags to plain text while turning <br> into newlines and paragraph ends into blank lines.

Key:Value Lines to JSON

Parse lines shaped like key: value into a JSON object string with stable formatting.

JSON to Key:Value Lines

Stringify a flat JSON object as readable key: value lines (non-objects are rejected).

CSV to HTML Table

Convert comma-separated rows into a simple HTML table with basic cell escaping.

Quoted-Printable Encoder / Decoder

Bidirectional quoted-printable: encode text to QP lines or decode QP back to UTF-8 text.

Quoted-Printable Decoder / Encoder

Bidirectional with forward set to decode QP; reverse re-encodes to quoted-printable.

Punycode Encoder (RFC 3492)

Convert Unicode labels (café, münchen, 日本語) to their RFC 3492 Punycode form (xn--…) for use in internationalised domain names.

Punycode Decoder (RFC 3492)

Decode RFC 3492 Punycode labels (xn--…) back to their original Unicode form, or reverse-encode a Unicode string with the same algorithm.

SHA-256 / SHA-512 Hash Generator

Compute a real FIPS 180-4 SHA-256 or SHA-512 digest in your browser. Pick the algorithm, paste a string, get the hex digest.

Truncate String

Truncate text with hard cut or word-boundary mode and a selectable ellipsis string.

Pad String

Left-pad or right-pad a string with a chosen character to a target length from presets.

Extract Email Addresses

Find email-like tokens with a practical regex and deduplicate results line by line.

Extract URLs

Pull http(s) URLs from text with a permissive pattern and light trailing punctuation cleanup.

Extract Numbers

List all numeric tokens including integers, decimals, and scientific notation where matched.

Extract Phone Numbers

Find likely phone numbers using a few overlapping North-America-heavy patterns plus dedupe.

Readability Score

Estimate Flesch Reading Ease and Flesch–Kincaid grade level with syllable heuristics.

Extractive Text Summarizer

Score sentences by word frequency overlap and return the top N sentences in original order.

Filler Word Highlighter

Wrap common filler words in ** markers and report per-word hit counts in stats.

Passive Voice Detector

Scan text for passive voice constructions and highlight them alongside active sentences.

Duplicate Sentence Finder

Find repeated sentences in your text to eliminate redundancy and tighten your writing.

Text to Outline

Convert paragraphs into a structured numbered outline using first sentences as headings.

Sentence Reorder

Sort sentences alphabetically, by length, or reverse their order within your text.

Random Word Generator

Generate a batch of random English words for brainstorming, writing prompts, or games.

Random Sentence Generator

Generate random sentences from English words for placeholder text or creative prompts.

Random Paragraph Generator

Generate random paragraphs with configurable count and sentences per paragraph.

Random Name Generator

Generate random full names, first names, or last names for testing and mock data.

Random Email Generator

Generate random fake email addresses for testing forms, databases, and mock data.

Random Phone Number Generator

Generate random US-format phone numbers in various formats for testing and mock data.

Random Address Generator

Generate random US-style street addresses for testing forms and mock data.

Dummy Text Generator

Generate Lorem Ipsum or random English placeholder text for designs and mockups.

Pig Latin Converter

Convert English text to Pig Latin using standard consonant-cluster and vowel rules.

Leet Speak Converter

Convert text to l33t speak with basic or advanced character substitutions.

Upside Down Text

Flip your text upside down using Unicode characters — works anywhere you can paste text.

Zalgo Text Generator

Add glitchy combining diacritical marks to text for a creepy, corrupted zalgo effect.

Fancy Text Generator

Convert text to fancy Unicode styles — script, double-struck, fraktur, monospace, and more.

Mirror Text Generator

Reverse text and replace characters with mirrored Unicode equivalents.

Strikethrough Text

Add Unicode combining strikethrough to each character — works anywhere you can paste.

Underline Text

Add Unicode combining underline to each character — copy and paste anywhere.

Bold Text Generator

Convert text to 𝐛𝐨𝐥𝐝 Unicode mathematical symbols — paste on any platform.

Italic Text Generator

Convert text to 𝑖𝑡𝑎𝑙𝑖𝑐 Unicode mathematical symbols — paste on any platform.

Small Caps Generator

Convert text to sᴍᴀʟʟ ᴄᴀᴘs using Unicode phonetic characters — paste anywhere.

Bubble Text Generator

Convert text to Ⓑⓤⓑⓑⓛⓔ letters using Unicode enclosed alphanumerics.

Square Text Generator

Convert text to 🅂🅀🅄🄰🅁🄴 letters using Unicode Squared Latin characters.

Text to List

Split text into a numbered list by newlines, commas, tabs, or custom delimiters.

List to Text

Join list items into a single line of text with commas, spaces, or custom separators.

List Sorter

Sort a list of items alphabetically, by length, or numerically in ascending or descending order.

List Randomizer

Randomly shuffle a list of items into a new order for raffles, games, or sampling.

List Deduplicator

Remove duplicate items from a list with case-sensitive or case-insensitive matching.

List Item Counter

Count items in a list with stats on total, unique, empty lines, and character counts.

Numbered List Generator

Add numbers, Roman numerals, or letters to list items in multiple formatting styles.

Bulleted List Generator

Add bullet characters to list items — choose from bullets, dashes, arrows, stars, and more.

Merge Two Lists

Merge two lists by appending, interleaving, or taking the union of unique items.

Compare Two Lists

Compare two lists side-by-side showing items unique to each and common to both.

List Intersection

Find items that appear in both of two lists — the set intersection.

List Column Extractor

Extract a specific column from CSV, TSV, or space-separated tabular data.

Emoji Text Converter

Enhance text by adding relevant emoji after recognized words like "happy", "fire", "star".

Emoji Remover

Strip all emoji characters from text while preserving the rest of the content.

Phonetic Spelling Helper

Get a rough IPA-style phonetic approximation of English text. Naive letter-by-letter mapping — handy as a starting point, not a substitute for a pronunciation dictionary.

Handwriting Text

Convert text to a handwriting-style appearance using Unicode Script characters.

Old English Text

Convert text to an Old English / Fraktur style using Unicode mathematical Fraktur characters.

Alternating Case Generator

Convert any text to aLtErNaTiNg CaSe for a playful, mocking, or sarcastic tone.

QR Code Generator

Generate a real, scannable QR code PNG from any text or URL — runs entirely in your browser.

Barcode Generator

Generate a real, scannable barcode PNG in seven common formats (CODE128, EAN-13, UPC-A, and more) — entirely in your browser.

Text Repeater

Repeat text a specified number of times with configurable separators between copies.

Character Frequency Analyzer

Analyze the frequency of every character in your text with counts, percentages, and bar charts.

Unicode Lookup

Look up the Unicode code point, hex value, and name for each character in your text.

Binary to Bitmap

Visualize binary data (0s and 1s) as a text-based bitmap grid of pixels.

CSS Formatter

Format and beautify minified or messy CSS with proper indentation and line breaks.

QR Code Generator

Generate QR codes from text or URLs with customisation.

JSON Formatter

Format, minify, and validate JSON data.

Password Generator

Generate strong, secure passwords with crypto-random entropy.

Base64 Encoder / Decoder

Encode or decode text and files to/from Base64.

Regex Tester

Test regular expressions with live matching and capture groups.

Invoice Generator

Create professional invoices and export them as PDF.

CSV to JSON

Convert CSV data to formatted JSON.

Barcode Generator

Generate barcodes in CODE128, EAN-13, UPC, and more formats.

URL Encoder / Decoder

Encode or decode URL components.

Color Converter

Convert colours between HEX, RGB, HSL, and CMYK formats.

UUID Generator

Generate cryptographically random v4 UUIDs.

JSON Minifier

Remove all unnecessary whitespace from JSON in one click, locally in your browser.

JSON Validator

Validate JSON syntax and see quick stats about the parsed document in your browser.

JSON Viewer / Formatter

Pretty-print JSON with two-space indentation for easier reading and debugging.

JSON to XML Converter

Convert JSON objects and arrays into XML with a root element and safe text escaping.

JSON to YAML Converter

Turn JSON into readable YAML using a simple built-in serializer for common data types.

JSON to HTML Table

Render a JSON array of objects as an HTML table with inferred column headers.

JSON to TypeScript

Infer a TypeScript-style type tree from a JSON sample for scaffolding interfaces quickly.

JSON to Java Class

Generate a simple Java data class with field declarations mapped from JSON types.

JSON to Python Dataclass

Create a Python dataclass skeleton with type hints inferred from a JSON object.

JSON to PHP Class

Generate a minimal PHP class with typed public properties derived from JSON keys.

JSON to Markdown Table

Convert a JSON array of objects into a GitHub-flavored Markdown table string.

XML to JSON Converter

Parse XML with the browser DOMParser and emit a JSON representation of elements and text.

YAML to JSON Converter

Parse a practical subset of YAML into JSON using a lightweight line-based parser.

JSONPath Tester

Evaluate simple dot-and-bracket paths against JSON to debug queries without installing tools.

JSON Diff Tool

Compare two JSON documents separated by --- and list structural and value differences.

JSON Merger

Deep-merge two JSON objects with the second document overriding and extending the first.

JSON Flattener

Flatten nested JSON into a single object whose keys use dot and bracket notation.

JSON String Escaper

Escape or unescape text for safe inclusion inside JSON string literals with a simple mode toggle.

JSON Size Calculator

Measure UTF-8 byte size of your JSON as pasted and after minification to compare footprint.

JSON Key Extractor

Recursively list every object property name found anywhere in a JSON tree, sorted uniquely.

JSON Array Sorter

Sort a JSON array lexicographically or by a chosen object property with ascending or descending order.

JSON Schema Generator

Infer a draft-07 style JSON Schema with types, properties, and required keys from one sample.

JSON Schema Validator

Run basic JSON Schema checks for object types, required keys, arrays, and nested properties.

XML Formatter / Beautifier

Pretty-print XML with indentation using DOMParser and a recursive serializer in the browser.

XML Minifier

Remove insignificant whitespace between XML tags after parsing with DOMParser and XMLSerializer.

CSS Validator

Validate CSS for syntax errors, missing semicolons, unmatched braces, and unknown properties.

CSS to SCSS Converter

Convert plain CSS to SCSS with nesting and automatic variable extraction for colors.

CSS to Tailwind Converter

Map CSS property-value pairs to Tailwind CSS utility classes with unmapped property fallback.

SCSS to CSS Converter

Flatten SCSS nesting and resolve variables to produce plain CSS output.

LESS to CSS Converter

Flatten LESS nesting and resolve @variables to produce plain CSS output.

CSS Box Shadow Generator

Generate CSS box-shadow with customizable offset, blur, spread, color, and inset options.

CSS Text Shadow Generator

Generate CSS text-shadow with X/Y offset, blur radius, and color controls.

CSS Border Radius Generator

Generate CSS border-radius with individual corner controls for custom rounded shapes.

CSS Gradient Generator

Generate CSS linear or radial gradients with customizable colors, angle, and stops.

CSS Flexbox Generator

Generate CSS flexbox layout with direction, alignment, wrapping, and gap controls.

CSS Grid Generator

Generate CSS Grid layout with customizable columns, rows, gaps, and sizing.

CSS Animation Generator

Generate CSS @keyframes animations from presets like fade, slide, scale, bounce, and shake.

CSS Triangle Generator

Generate pure CSS triangles using the border trick with direction, size, and color controls.

CSS Button Generator

Generate styled CSS button with background, padding, radius, shadow, and hover effects.

CSS Loader Generator

Generate pure CSS loading animations: spinner, dots, ring, pulse, and bars.

CSS Variable Extractor

Extract CSS custom properties (--variables) from a stylesheet and find unused or undefined references.

CSS Specificity Calculator

Calculate CSS specificity scores for selectors and compare their weights.

CSS Unit Converter

Convert between CSS units: px, rem, em, pt, cm, mm, in, vw, and vh.

Tailwind Class Generator

Generate Tailwind CSS class strings for common UI components like cards, badges, alerts, and inputs.

Bootstrap Grid Generator

Generate Bootstrap grid HTML with customizable columns, breakpoints, gutters, and item count.

Color Picker

Enter a hex color and see all format conversions: HEX, RGB, HSL, RGBA, and CSS variable.

HEX to RGB Converter

Convert HEX color codes to RGB values and vice versa.

RGB to HEX Converter

Convert RGB color values to HEX codes and vice versa.

HEX to HSL Converter

Convert HEX color codes to HSL values and vice versa.

HSL to HEX Converter

Convert HSL color values to HEX codes and vice versa.

RGB to HSL Converter

Convert RGB color values to HSL (hue, saturation, lightness) and vice versa.

HSL to RGB Converter

Convert HSL color values to RGB and vice versa.

RGB to CMYK Converter

Convert RGB color values to CMYK (cyan, magenta, yellow, key) for print workflows.

CMYK to RGB Converter

Convert CMYK print color values to RGB screen values and vice versa.

Color Palette Generator

Generate harmonious 5-color palettes from a base color using analogous, complementary, triadic, and other schemes.

Color Contrast Checker

Check WCAG 2.1 color contrast ratio between foreground and background colors for AA and AAA compliance.

Color Blindness Simulator

Simulate how a hex color appears under protanopia, deuteranopia, tritanopia, and achromatopsia.

Color Shades Generator

Generate darker shades of any color by progressively reducing lightness from the base.

Color Tints Generator

Generate lighter tints of any color by progressively increasing lightness from the base.

Complementary Color Finder

Find the complementary (opposite) color on the color wheel for any hex color.

Color Gradient Generator

Generate a smooth color gradient between two hex colors with a customizable number of steps.

Color Name Finder

Find the nearest CSS named color for any hex value using Euclidean distance in RGB space.

Pantone to HEX Converter

Look up approximate HEX equivalents for common Pantone color names and numbers.

RAL to HEX Converter

Look up approximate HEX equivalents for common RAL color numbers.

Color Mixer

Mix two hex colors together by averaging their RGB values to produce a blended color.

XML Validator

Check XML well-formedness by validating tag matching, nesting, and angle bracket balance.

XML to CSV Converter

Convert repeating XML elements to CSV format with automatic header detection.

XML to YAML Converter

Convert XML to YAML format with automatic type detection for numbers and booleans.

XPath Tester

Test simple XPath expressions against XML content to find matching elements and attributes.

HTML Formatter

Format and indent HTML with customizable indentation (2 spaces, 4 spaces, or tabs).

HTML Minifier

Minify HTML by removing comments, extra whitespace, and unnecessary spaces between tags.

HTML Validator

Validate HTML for tag matching, nesting errors, unclosed tags, and missing alt attributes.

HTML to JSX Converter

Convert HTML to JSX by transforming class→className, for→htmlFor, style strings to objects, and comments.

HTML Color Extractor

Extract all color values (hex, rgb, hsl) from HTML and CSS code.

HTML Meta Tag Extractor

Extract title, meta tags, Open Graph, charset, canonical URL, and favicon from HTML head.

HTML Table Generator

Generate HTML table markup with configurable rows, columns, headers, and styling.

HTML to BBCode Converter

Convert common HTML tags to BBCode equivalents for forum posting.

JavaScript Formatter

Format and indent JavaScript code with configurable indentation for better readability.

JavaScript Minifier

Minify JavaScript by removing comments, whitespace, and unnecessary line breaks.

TypeScript to JavaScript

Strip TypeScript type annotations, interfaces, and type keywords to produce plain JavaScript.

JavaScript to TypeScript

Add basic TypeScript type annotations to JavaScript code as a starting point.

JavaScript Linter

Check JavaScript code for common issues like var usage, missing semicolons, and console.log statements.

JSX to JavaScript

Convert JSX syntax to React.createElement calls for use without a JSX transpiler.

ES6 to ES5 Converter

Convert ES6+ features like arrow functions, const/let, and template literals to ES5 equivalents.