About DevTools
DevTools is a free, open-source collection of developer utilities that runs entirely in your browser. No data is sent to any server.
Our Mission
To provide fast, private, and reliable developer tools that work offline and respect your privacy.
Features
- 100% client-side — your data never leaves your browser
- Works offline after first load
- History saved locally in your browser
- Dark mode support
- Available in 6 languages