Fiddler Ideas

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...

We love the log requests history option in the composer and over time we build up several hundred items. It would be great if there was a simple text search of urls and content to find logged requests we want to tweak or rerun. Less important we ...

Chrome is going to start sending out random TLS extensions to blow up buggy servers. Fiddler should add the reserved values to the automatic classifier that runs on each HTTPS handshake. https://tools.ietf.org/html/draft-davidben-tls-grease-01

The XML tab in the Inspector is empty for the following request. POST http://vodafone.station/data_model.cgi HTTP/1.1Host: vodafone.stationUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:48.0) Gecko/20100101 Firefox/48.0Accept: applicati...

During debugging process if I choose "302 redirect" in combo box, I think it will be awesome if it ask to fill the important field (redirect location) through a message box/dialog.

Currently, when I get an HTTP response, in the Headers tab (implementing the Standard.ResponseHeaderView inspector), the response headers have been automatically 'categorized' so that, for instance, some are identified as 'Cache' headers, some as ...

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.

In my line of work (security research), WebSockets are becoming increasingly common as a way to mask malicious activity. Fiddler does allow you to view a WebSocket and display the blobs exchanged. However, I have ran into some issues when the data...

I would like to send a string to TextWizard and view it as a JSON tree, just like in the JSON inspector.

When debugging or test web applications it can be useful to increase latency or decrease bandwidth to see how your application works with poor network connections. The modem simulation rule option will do this for bandwidth but latency is more dif...