fiddler-classic

Here are 3 public repositories matching this topic...

tomwolfgang / piper

Free, open-source Fiddler Classic alternative for Windows. Capture, inspect, filter, replay, compose and mock HTTP/HTTPS traffic with TLS decryption, HTTP/2, HTTP/3 and SAZ support.

csharp dotnet winforms http-proxy developer-tools http3 fiddler traffic-inspection https-inspection mitm-proxy debugging-proxy network-debugging fiddler-classic web-debugging fiddler-alternative

Updated Oct 18, 2026
C#

etdon / fiddler-customizer

Star

Proof-of-concept DLL to apply dark mode to Fiddler Classic/WinForms.

dark-theme winforms dark-mode fiddler fiddler-classic fiddler-theme

Updated Jan 5, 2025
C++

Omar4GH / harfiddle

Star

A modern Fiddler Classic alternative for macOS. A Fiddler clone for Mac: capture and inspect HTTP/HTTPS traffic, and replay HAR files with an AutoResponder.

Updated Oct 8, 2026
JavaScript

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