Developer tools.
All in one place.
A fast, simple and privacy-friendly toolkit for developers. Format JSON, decode JWTs, generate hashes, create UUIDs, test APIs and more.
Simple by design.
DevKit focuses on the tools you actually need without unnecessary complexity.
Fast
Lightweight tools designed to give you results instantly without unnecessary waiting.
Privacy-friendly
Many tools run directly in your browser, keeping your data away from unnecessary servers.
Open source
Transparent, developer-focused and available for everyone to inspect and improve.
Your tools, one shortcut away.
Use the Command Palette to quickly search for tools and navigate around DevKit without leaving the keyboard.
Questions, answered.
Everything you might want to know before getting started.
Yes. Every tool is completely free to use with no hidden costs, no paywalls and no usage limits.
No. All tools work without signing up. Creating an account is optional and only unlocks extras like pinned tools, favorites and your recent activity.
Most tools run entirely in your browser, so your data never leaves your device. Nothing is uploaded to a server unless a tool clearly says otherwise.
Yes. DevKit is a Progressive Web App, so you can install it and keep using your favorite tools even without an internet connection.
Yes. The code is public on GitHub. You can explore it, report issues or contribute a new tool yourself.
Ready to build?
Stop switching between different websites. Keep your everyday developer tools in one place.
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