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.

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...

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...

I was debugging a failing web request and it transpired that the HTTP response headers were corrupted, such that the content length field specified a length longer than the actual content. Hence fiddller was waiting for that extra content, and, a...

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”

Can you add an option to block all audio and video media from going through the connection? Too many Web sites are an utter waste of bandwidth with their video, even if it's supposedly part of the content. For anyone who tethers their laptop to ...

The Raw Inspectors try to avoid spewing a bunch of junk into the display if the MIME type is binary. But because of how the assignment happens today, switching sessions can temporarily cause a mixed state where the headers from a new (text) sessio...