Fiddler Ideas

Now Fiddler has a limitation about maintaining its own cookie jar. When I use Composer to do a POST request simulation, if this request get a 302 response and Set-Cookies, Fiddler will automaticly redirected to the next page, but the cookies are ...

Repro: 1. Add a bunch of rules to the autoresponder. 2. Select two rules. 3. Right click the rules list. Observe: Only an "Export all" command. Expect: An "Export selected" command that exports only the currently-selected rules.

i would like a feature to be added to fiddler, when you replay a request/response if you could set a time delay in numbers of minutes/seconds from the next replayed request/response is sent 🤔 its so so that replays don't issue too quickly.

I'm a software tester. I often use composer to test HTTP requests.But composer needs to fill in the standard head, which is troublesome.Fiddler may enhance composer and add the standard HTTP header selection box. The history module adds some colum...

We have filter to "Show only Internet Explore traffic" Like wise need filters for other browsers as well

I use Windows 2016 / Windows 10 VMs on a MacBook Pro (with ESC key :-) with Retina Display. All Windows version run fine with HiDPI resolution. Only thing is that Fiddler4 shows its texts in a lower resolution, so all texts have the right size, b...

Today, we can only choose one font and stick to it globally on app. Would be nice if the menus, lists, trees, etc. kept the Windows default font and only the inspectors, etc. have a custom font. In other words: I would like to use a cool monospa...

Currently by listening to FiddlerApplication.OnWebSocketMessage it's possible to modify the incoming & outgoing messages but it's not possible to send independent direct messages in or out. Adding the ability to send direct messages will give...

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