Developer Tools
A curated collection of essential utilities for your daily workflow. Built for speed, privacy, and minimalism—no ads, no tracking, just tools.
UUID Generator
Generate v4, v5, v6, and v7 UUIDs in your browser, with one-click copying and a recent history.
Password Generator
Create secure, random passwords with adjustable length and complexity. Ensure safety with client-side generation.
JSON Formatter
Validate, minify, and beautify JSON with clear error messages. Load a file, then copy or download the result.
YAML ↔ JSON
Convert YAML to JSON and back as you type, with the line and column of any syntax error.
Base64 Converter
Encode and decode text to and from Base64, with full UTF-8 support for emoji and special characters.
JWT Debugger
Decode and inspect JSON Web Tokens. View header and payload claims and verify HS256/384/512 signatures.
Epoch Converter
Convert between Unix timestamps and human-readable dates. Supports local time, UTC, and various formats.
Hash Generator
Compute SHA-1, SHA-256, SHA-384, and SHA-512 hashes with the Web Crypto API. Fast and entirely client-side.
Regex Tester
Test and debug regular expressions in real-time. Includes a handy cheat sheet and match highlighting.
Text Utilities
Convert text to camelCase, snake_case, kebab-case, Title Case, and more, make URL slugs, and count words and characters.
Diff Viewer
Compare text or code line by line in a side-by-side view. Upload a file or swap the two sides.
URL Parser
Break down URLs into their components: protocol, host, path, and query params. Decodes encoded characters automatically.
CIDR Calculator
Work out the network, broadcast, host range, netmask, and wildcard of any IPv4 block.
Color Converter
Convert colors between HEX, RGB, and HSL, and check luminance and contrast against black and white.
Markdown Editor
Write and preview markdown in real-time. A distraction-free environment with instant rendering.
HTTP Client
Test API endpoints directly from your browser. Send GET, POST, PUT, DELETE requests and inspect responses.
Crontab Generator
Build and validate cron schedules field by field. Translates cron syntax into plain English and lists the next runs.
Image Optimizer
Compress and resize images for the web. Reduce file size without sacrificing visible quality.
QR Code Generator
Turn text or a URL into a QR code with adjustable error correction, size, and margin. Download as PNG or SVG.
SQL Formatter
Beautify complex SQL queries. Standardize indentations and spacing for better readability.