/

Built by developers,
for developers.

CodersUtility is a free, open, browser-based toolbox designed to eliminate the friction in everyday development tasks — without sign-ups, paywalls, or data tracking.

112+Tools available
100%Client-side
0Data collected

Our mission

Developers spend a surprising amount of time on repetitive micro-tasks — formatting a JSON response, decoding a JWT, converting a timestamp, or generating a UUID. Most tools that do this are cluttered with ads, require sign-ups, or send your data to a remote server.

We built CodersUtility to be the opposite: fast, clean, private, and always free. Every tool runs entirely in your browser using native browser APIs. Nothing you type ever leaves your machine.

What we stand for

🔒
Privacy first
Your data never leaves your browser. We don't log, store, or analyze anything you type.
⚡
Speed
No server round-trips means instant results. Every tool responds in milliseconds.
🆓
Always free
Core tools will always be free. No paywalls, no rate limits, no credit card required.
🎨
Good design
Developer tools deserve great UX. We care about every pixel, interaction, and theme.

How it's built

CodersUtility is built with React 19, Vite, and Tailwind CSS. All heavy computation uses browser-native APIs — Web Crypto for hashing, the URL API for query parsing, BigInt for large number conversion, and more. There is no backend.

React 19ViteTailwind CSSWeb Crypto APIBigIntmarked (GFM)
Have a suggestion or found a bug?
We'd love to hear from you — every piece of feedback helps make the tools better.
Contact us →