HTTP Toolkit

lastmod 2023-06-27created 2021-12-285 edits

Beautiful & open-source tools to debug, test and develop with HTTP(S)

Open source for HTTP debugging

Features

• Intercept and view all HTTP/HTTPS requests, with Rewrite/Redirect/Inject Error support
• Capture HTTP requests from various environments right away, with no setup needed
  • Browsers/Android apps/backends (Node/Pyhon/Java/Ruby..)/terminals and Electron apps, etc.
• Windows/Mac/Linux
• Links HTTP information so it can be looked up directly on MDN
• View message bodies in the Monaco editor (highlighting & syntax highlighting)
• Pause HTTP traffic with breakpoints or edit it in real time

See also

• Postman
• Fiddler
• Hetty - open-source HTTP toolkit for security research

Favorite site

• HTTP Toolkit web site
• Github - httptoolkit