mitmproxy

mitmproxy is a free and open source interactive HTTPS proxy. It is your swiss-army knife for debugging, testing, privacy measurements, and penetration testing. It can be used to intercept, inspect, modify and replay web traffic such as HTTP/1, HTTP/2, WebSockets, or any other SSL/TLS-protected protocols.

General information, tutorials, and precompiled binaries can be found on the mitmproxy website.

You may support the project using GitHub Sponsors.