Tools
Free tools for developers and everyday tasks.
A growing collection of free, browser-based utilities we're building one at a time, starting with the ones we reach for most ourselves. No sign-up, nothing uploaded to a server.
Developer Tools
JSON Formatter & Validator
Format, validate, and beautify JSON instantly in your browser. Nothing is uploaded: all parsing happens locally.
Developer Tools
Regex Tester & Cheatsheet
Test regular expressions against real text with live match highlighting, plus a quick-reference cheatsheet.
Security
JWT Decoder
Decode and inspect JSON Web Tokens (header, payload, signature) entirely client-side. Your token never leaves your browser.
Developer Tools
Diff Checker
Compare two blocks of text or code side-by-side and instantly see what changed.
Developer Tools
Cron Expression Builder & Explainer
Build a cron schedule visually, or paste one in to get a plain-English explanation of when it runs.
Security
Password Generator & Strength Checker
Generate strong random passwords and check how resistant an existing one is to cracking. Generated fully in your browser, never transmitted anywhere.
Everyday Utilities
Unit Converter
Convert length, weight, temperature, data storage, and more, instantly.
Everyday Utilities
QR Code Generator
Create QR codes for URLs, WiFi credentials, or contact cards, generated locally with no tracking.
Media & Files
Image Compressor & Converter
Compress and convert images (JPG, PNG, WebP) right in your browser: nothing is uploaded to a server.
Media & Files
PDF Toolkit
Merge, split, reorder, and compress PDF files locally in your browser, with nothing uploaded.
Need something more custom than a free tool?
If a ready-made utility won't cut it, our engineering team builds custom software too.