Fiddler Ideas

The free web debugging proxy for any browser, system or platform.

106 Vote

Allow the Chocolatey Fiddler package

When Telerik first acquired Fiddler, the community was afraid that Fiddler would become a paying tool. Telerik made an important statement: "Further, we have learned from the mistakes of others who have acquired free tools only to turn the tables ...

Created 29 Nov 14:07 by Christian Rondeau

Bug

29 Shipped
28 Vote

4k font scaling not working on Windows 10

I'm using v5.0.20181.13826 for .NET 4.6.1. I just upgraded today. I have a 4k display running at 3840 x 2160. I have the font scaling set to 200%. The previous version of Fiddler worked with these settings. I accepted the update when prompted toda...

Created 15 Mar 12:58 by Chris Swanski

Bug

27 Shipped
7 Vote

Provide a Fiddler for Mac OS X

Not much more to say. Fiddler on Windows is absolutely awesome, but nothing comes close on Max OS X. Please, please, please offer a native Mac OS X version. I'd hiply pay 4100 or more for it. I'd even pay that for an annual subscription.

Created 19 Apr 23:48 by MIke Schinkel

5 Shipped
1 Vote

SECURITY: "Ignore server certificate errors" ticked unexpectedly

Tools > Fiddler Options > HTTPS. Click Reset All Certificates. Result: The "Ignore server certificate errors (unsafe)" box is automatically ticked. This is a significant security vulnerability. v4.6.20171.9220

Created 14 Mar 19:02 by Eric Lawrence

Bug

0 Shipped
1 Vote

macOS version expired

The macOS version (4.6.3.44161) is expired and has not been updated in over 2 months.

Created 08 Jan 14:01 by Guest

Bug

2 Shipped
1 Vote

Regression: CRLF in SampleRules.js converted to LF

When Fiddler builds were moved from the dev's Windows PC to the Jenkins build server, one consequence is that the line-endings changed from Windows (CRLF) to Linux (LF). This turns out not to affect the .dat files in the \ResponseTemplates\ folder...

Created 22 Sep 03:13 by Eric Lawrence

Bug

1 Shipped
1 Vote

Fiddler won't install from EXE

I downloaded FiddlerSetup.exe today and I can't get it to install. When I run the executable nothing happens. Even when I right click and run as admin. I successfully installed FiddlerCap as a test but not really what I need. I have full admin rig...

Created 01 Aug 18:05 by Guest

Bug

10 Shipped
1 Vote

TrustCert.exe no longer signed

In Telerik Fiddler Web Debugger (v4.6.2.29442), TrustCert.exe is missing its Authenticode Signature.

Created 10 Jul 17:43 by Eric Lawrence

Bug

2 Shipped
1 Vote

Fiddler crashes after just somke secondsa after it starts...

---------------------------Awww, Fiddlesticks!---------------------------Fiddler has encountered an unexpected problem. If you believe this is a bug in Fiddler, please copy this message by hitting CTRL+C, and submit a bug report at http://www.tele...

Created 15 Jun 14:14 by Guest

Bug

4 Shipped
1 Vote

BUG

---------------------------Awww, Fiddlesticks!---------------------------Fiddler has encountered an unexpected problem. If you believe this is a bug in Fiddler, please copy this message by hitting CTRL+C, and submit a bug report at http://www.tele...

Created 05 May 10:22 by Guest

Bug

4 Shipped