Fiddler Ideas

I develop a lot of extensions for Fiddler. Some of them are public, others are private to my organization. Currently Fiddler4 is built against the .NET Framework 4.0. I don't want my extensions to depend on a different version of the .NET Framewor...

ShellExecute("Fiddler") no longer works because Fiddler is no longer registered in the APP PATHS registry key. This breaks a 14-year-old mechanism of launching Fiddler. Incidentally, It appears that Fiddler now installs on a per-user basis /by de...

Not sure if this is a recent change, but I use Microsoft Outlook and Skype, and both are having connectivity issues when Fiddler is running. Also Windows 10 apps seem to be unable to have an internet connection as well.

Sometimes,I need to know response json node's count,but I can only paste it into the json editor to see the quantity. Please check the pictures in the attachment.

This url invalid “Learn more at: http://fiddler2.com/r/?p3pinfo”

I accept your update and get to the install part and Windows 10 tells me that the update has an invalid certificate (or something).

Please honor the option to disable capture. I use fiddler to test API development and I never want it to capture any other traffic. The configuration option to disable this doesn't work, please fix.

We've been using Fiddler to debug both iOS and Android apps for quite a while. Recently, some Apple devices have been automatically updated to version 10.3. Since then, we can't see any feed data in Fiddler. Does anyone else have the same issue? I...

Ensure that traffic from the Brave web browser is properly categorized by the traffic filtering system in the status bar.

https://groups.google.com/forum/#!topic/httpfiddler/cOGeilFbozY The request here is a trivial change, so that WebSocketMessage exposes a readonly oWebSocket property (e.g. get { return _wsOwner; } ) and WebSocket exposes a readonly oSession prop...