Download Fiddler

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Try the new Fiddler Everywhere Beta. Built from scratch to run on all major platforms.

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Getting Started with Fiddler

More Fiddler Tools

FiddlerCore

Traffic viewing and modification for .NET applications

FiddlerCap

Capturing web traffic logs

FiddlerCap with Firefox

Capturing web traffic logs with Firefox

System Requirements

  • Supported OS: Windows XP to Windows 10
  • Framework: Fiddler2 requires .NET v2, Fiddler4 requires .NET v4
  • Disk Space: 8MB
  • Processor: 1GHz
  • Memory: 2 GB+ recommended

Updating 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

Release History
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More About Fiddler

The free web debugging proxy

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Automated functional, load,
and performance testing

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