Developer Utilities
Generate configs, minify code, and speed up workflows.
18 tools availableSVG to CSS Data URI
Convert SVGs into inline CSS ready data URIs, in both URL-encoded and base64 formats, with a ready-to-paste CSS snippet.
Image to Tailwind Palette
Turn any image into a full Tailwind v4 color theme, with a complete 50 to 950 shade scale generated for each dominant color.
JSON Formatter That Shows the Exact Broken Line
Format and validate JSON with error line highlighting, no upload, nothing leaves your device.
JWT Decoder, Runs Locally in Your Browser
Decode a JWT's header and payload claims instantly, entirely client-side, safe for real tokens.
Regex Tester With Live Group Highlighting
Test regular expressions against sample text with live match and capture group highlighting.
UUID v4 & v7 Generator, Bulk Output
Generate classic random UUIDs or newer sortable UUIDv7s, in bulk, copy or export instantly.
MD5, SHA-1 & SHA-256 Hash Generator
Generate MD5, SHA-1, SHA-256, and SHA-512 hashes from text or a file, all at once.
Cron Expression Translator & Visual Builder
Translate a cron expression into plain English, or build one visually with a schedule picker.
Text & Code Diff Checker, Side-by-Side View
Compare two blocks of text or code and see every addition, deletion, and change highlighted.
Live Markdown Previewer, No File Saved
Type markdown and see the rendered output update live, nothing saved or uploaded.
HEX, RGB, HSL & OKLCH Color Converter
Convert instantly between HEX, RGB, HSL, and the newer OKLCH color format.
Unix Timestamp Converter With Timezone Support
Convert epoch timestamps to human-readable dates across any timezone, both directions.
Placeholder Text Generator by Word Count
Generate lorem ipsum or plain-English placeholder text by exact word, sentence, or paragraph count.
QR Code Generator With SVG Download
Generate a QR code from any URL or text and download it as clean, scalable SVG or PNG.
camelCase, snake_case & kebab-case Converter
Convert text between camelCase, snake_case, kebab-case, and PascalCase instantly.
YAML to JSON Converter, Both Directions
Convert YAML to JSON or JSON to YAML instantly, with syntax errors flagged clearly.
Password & Memorable Passphrase Generator
Generate secure random passwords or memorable multi-word passphrases, fully client-side.
PX to REM, EM, Percentage & Tailwind Converter
Convert PX to REM, EM, percentage, and the closest Tailwind spacing token, all in one place.
Developer Utilities
Small tools for everyday frontend work
Most frontend projects need a handful of small utilities that are too minor to justify installing another dependency, but tedious enough to slow you down when handled by hand. Use the SVG to CSS Data URI tool to convert artwork into an inline, CSS ready string without a build step or bundler plugin.
From image to design system
The Image to Tailwind Palette tool turns any image, including a rendered SVG from our SVG & Design Tools collection, into a complete Tailwind color theme with proper shade scales generated automatically, ready to paste into your project's config.
Client side, no signup
More utilities will be added here over time, each one focused on solving a single problem well. Everything runs client side in your browser, so files you work with never leave your device, and there is no account required to use any tool in this collection.