JrDevTools
Your Complete Developer Toolkit
Build faster. Debug smarter. Ship better.All the tools you need, zero setup required.
83+ powerful developer tools at your fingertips. Format JSON, test regex, analyze SEO, generate colors, encode data, and more — all instantly in your browser. No sign-ups. No installations. Just pure productivity.
Popular Tools
Start with these essential developer tools
Lorem Ipsum Generator
Generate customizable placeholder text in multiple formats for design and development.
JSON Formatter
Instantly format, validate, and beautify your JSON data for readability and debugging.
Regex Tester
Test and debug regular expressions in real time with visual match highlighting.
Color Palette Generator
Generate harmonious, accessible color palettes for UI design and branding.
JWT Decoder
Decode and inspect JSON Web Tokens to view headers, claims, and expiration info.
HTTP Playground
Test and debug HTTP requests (GET, POST, PUT, DELETE) with headers, body, and automated tests.
Why Developers Love JrDevTools
Everything you need to streamline your development workflow, all in one place.
Lightning Fast
Instant access to all tools. No loading, no waiting. Just pure speed.
100% Private
All processing happens in your browser. Your data never leaves your device.
Always Free
No credit cards, no subscriptions, no limits. Free forever for everyone.
Constantly Growing
New tools added regularly based on developer feedback and needs.
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