Free Developer Tools That Just Work

Fast, privacy-focused utilities for developers. JSON formatter, regex tester, JWT decoder, and more. No signup, no tracking, works offline.

100% Free Works Offline No Data Collection Mobile Friendly

Developer Tools

Choose from our collection of fast, reliable utilities

JSON Formatter & Validator

Format, validate, minify JSON. Convert between JSON, CSV, and XML formats instantly.

json formatter json to csv json validator

Regex Tester & Debugger

Test regular expressions with real-time matching, group highlighting, and explanation.

regex tester regex debugger pattern matcher

JWT Decoder & Validator

Decode JWT tokens client-side. View header, payload, verify expiration. 100% private.

jwt decoder jwt validator token parser

CSS Clamp Generator

Generate responsive font sizes with CSS clamp(). Perfect fluid typography calculator.

css clamp fluid typography responsive fonts

Color Palette Extractor

Extract dominant colors from any image. Get HEX, RGB, HSL values instantly.

color extractor image colors palette generator

Minify & Beautify Code

Minify or beautify HTML, CSS, JavaScript code. Compress for production or format for reading.

minify html beautify css format javascript

Why Developers Choose DevForge

Built by developers, for developers

Lightning Fast

No bloated frameworks. Pure JavaScript for instant results. Every tool loads in under 1 second.

Privacy First

All processing happens in your browser. Your data never hits our servers. Zero tracking.

Works Offline

Install as a PWA. Use all tools without internet connection, anytime, anywhere.

Mobile Ready

Fully responsive design. Use dev tools on phone or tablet. Touch-friendly interfaces.

Frequently Asked Questions

Quick answers about DevForge tools

Are DevForge tools free to use?

Yes, all DevForge developer tools are completely free to use. No signup, no registration, no hidden fees. Just open and use.

Do DevForge tools work offline?

Yes! Once you've loaded a tool, it works completely offline. You can even install DevForge as a Progressive Web App (PWA) for instant access.

Is my data safe with DevForge tools?

Absolutely. All processing happens 100% in your browser using JavaScript. Your JSON, JWT tokens, regex patterns, and other inputs never leave your device. We don't collect or store any user data.

Why is DevForge faster than other tools?

We use vanilla JavaScript with no heavy frameworks. Minimal dependencies mean faster load times. Our tools typically load in under 500ms on mobile.

Can I use DevForge tools on mobile?

Yes! All tools are fully responsive and work on phones, tablets, and desktops. Touch-friendly interfaces make mobile use easy.

How do I save my work in DevForge?

Your recent inputs are automatically saved in your browser's local storage. History is kept locally and never sent to any server.