Tools
Every tool runs entirely in your browser. Pick a category below.
Image
- Image compressor & converter Compress and convert images to WebP, AVIF, JPEG or PNG right in your browser. Resize, tune quality, compare sizes — nothing is uploaded.
- SVG optimizer Minify and clean up SVG markup with SVGO — strip metadata, collapse paths and shrink the file. Runs in your browser.
- Favicon generator Turn any image into a full set of favicon and PWA icons (16–512px) with the HTML to drop in. Generated locally with Canvas.
- Image to Base64 / Data URL Convert an image to a Base64 data URL and back. Drop an image to get the data URI, or paste a data URL/Base64 to preview and download it. Runs fully in your browser.
Color
- Color converter Convert any color between HEX, RGB, HSL, HWB and OKLCH instantly. Paste any CSS color, copy the format you need.
- Palette generator Generate a perceptually even color scale and harmonies (complementary, analogous, triadic) from any base color, in OKLCH.
- Contrast checker Check color contrast for accessibility. Get the WCAG 2.1 ratio and APCA value with AA/AAA pass-fail for normal and large text.
- Color mixer Blend two colors at any ratio and copy the result. Mix in OKLCH, RGB or HSL for different transitions.
- Tints & shades generator Generate lighter tints and darker shades of any color as a ready-to-use strip. Click a swatch to copy.
CSS
- Box-shadow generator Visually craft a CSS box-shadow with live preview and copy the code. Offset, blur, spread, color and inset.
- Gradient generator Build linear, radial and conic CSS gradients with multiple stops and optional OKLCH interpolation. Live preview, copy the code.
- Border-radius generator Create organic blob shapes with the 8-value border-radius syntax. Drag the corners, randomize, copy the CSS.
- Clip-path generator Pick from ready-made CSS clip-path shapes — triangle, hexagon, star, message and more — preview and copy the code.
- CSS pattern generator Generate pure-CSS background patterns — checkerboard, dots, grid, stripes, zigzag, crosshatch. Tune colors, scale and angle, then copy the code. No images.
- CSS unit converter Convert between px, rem, em, pt and % against a configurable root font size. Type a value and copy any unit.
- Cubic-bezier easing generator Design custom CSS easing curves by dragging the control points. Live animation preview, presets and copy the cubic-bezier() value.
Font
Text & data
- Base64 encoder / decoder Encode text to Base64 or decode Base64 back to text. UTF-8 safe, runs entirely in your browser.
- JSON formatter & validator Pretty-print, minify and validate JSON. Paste JSON, get readable output or a clear error — all in your browser.
- JWT decoder Decode a JSON Web Token to inspect its header and payload. Decoding happens locally — your token is never sent anywhere.
- UUID generator Generate one or many random v4 UUIDs with a click, using the browser crypto API. Copy individually or all at once.
- Hash generator Generate SHA-1, SHA-256, SHA-384 or SHA-512 hashes of any text using the browser Web Crypto API.
- URL encoder / decoder Percent-encode or decode URLs and query parameters. Choose component or full-URI mode. Runs in your browser.
- Regex tester Test a regular expression against text with live match highlighting and capture groups. Powered by the native engine.
- Text diff Compare two blocks of text line by line and see additions and deletions highlighted. Nothing leaves your browser.
- Unix timestamp converter Convert Unix timestamps to human dates and back. Auto-detects seconds vs milliseconds; shows UTC and local time.
- Case converter Convert text to camelCase, snake_case, kebab-case, PascalCase, CONSTANT_CASE, Title Case and URL slugs at once.
- QR code generator Generate a QR code from any text or URL. Tune error correction, margin and colors; download as PNG or SVG.
- Cron expression explainer Translate a cron expression into plain English so you can read schedules at a glance. Runs in your browser.
- Lorem ipsum generator Generate placeholder text — paragraphs, sentences or words — for mockups and layouts. Copy with one click.
- Number base converter Convert numbers between binary, octal, decimal and hexadecimal. Type in any base, read all four.
- HTML entity encoder / decoder Escape text to HTML entities or decode entities back to characters. Named, decimal and hex entities supported.
- CSV ⇄ JSON converter Convert CSV to a JSON array of objects, or JSON back to CSV. Handles quoted fields and custom delimiters.
- Word & character counter Count characters, words, lines, sentences and paragraphs, with a reading-time estimate. Updates as you type.