Download Fiddler Web Debugging Tool for Free by Telerik

Download Fiddler

Keep me informed about Fiddler and relevant offerings I accept the Fiddler End User License Agreement

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You'll be asked to complete a short survey in order for the download to begin.

For Mono framework

Keep me informed about Fiddler and relevant offerings I accept the Fiddler End User License Agreement

You have to accept the license agreement

You'll be asked to fill in a short survey in order for the download to start

For Mono framework

Traffic viewing and modification for .NET applications

Capturing web traffic logs

Capturing web traffic logs with Firefox

Edit script rules for Fiddler

Upon start, Fiddler checks automatically for new versions. If you'd rather check for updates manually, set the option in Tools -> Fiddler Options

Check also

The free web debugging proxy

Automated functional, load,
and performance testing

All free trials for Telerik products
and services