YOUR EVERYDAY DEVELOPER TOOLKIT
Small tasks. Instant answers.
More time to build.
Format, convert, debug, and create with free developer tools.
Everything runs in your browser. Your data stays yours.
useful tools
languages
runs locally
forever free
Start here
Most used tools
One toolbox, less context switching
Small utilities that stay out of your way.
Everything runs client-side and follows the same simple rhythm: paste, transform, copy. Your focus stays on the work that matters.
Browse by category
Find exactly what you need.
Take it everywhere
Your tools, your way
Access all 95+ tools from your Chrome toolbar or inside VS Code — no tab switching, no friction.
Tools in your toolbar
Install once and every tool is one click away on any page — no searching, no opening new tabs.
- One-click access to all 95+ tools from your toolbar
- Works on any page — no tab switching required
- Tool history for quick re-access
- Lightweight — zero performance impact
Dev tools in your editor
Format JSON, decode JWTs, convert timestamps — all without ever leaving your code editor.
- Run tools without leaving your editor
- Format, decode & convert directly in VS Code
- Output goes straight to your clipboard
- Fits right into your existing dev workflow
Both extensions are 100% free and open source
FAQ
Before you ask
Yes. Every tool runs entirely in your browser — nothing you paste, upload or generate is ever sent to a server. That's the whole premise of the project.
No. There's no sign-up, no login, no email required for any tool. Open it and start using it.
Yes — no premium tier, no paywalled tools, no usage limits. Free and open source, always.
The project is open source on GitHub, so you can clone it and run it locally, or contribute a new tool yourself.
Any modern browser — Chrome, Firefox, Safari, Edge. No installs required, though we do have optional Chrome and VS Code extensions.
The people building this
Every commit, every idea, every bug report — this project is shaped by the community that uses it.
Open source · MIT License · No paywalls