Using Fiddler

• Download the Fiddler product:

  • Download the latest version of Fiddler Classic (Windows only).

  • Download the latest version of Fiddler Everywhere supported on Windows, macOS, and Linux

  • Download the FiddlerCap application for quick web traffic capturing.

• Install Fiddler Classic

  • Select Run from any Security Warning dialog.

    

  • Agree to the License Agreement.

    

  • Select the install directory for Fiddler.

    

  • Click Close when installation completes.

    

• Install Fiddler Everywhere

  • Fiddler Everywhere is a modern proxy tool with cross-platform Windows, macOS, and Linux support. Apart from being a local MITM proxy, it also provides collaboration functionalities, capabilities to save and store data in the cloud, HTTP/2 and TLS 1.3 support, and many more! Learn more on how to install and use Fiddler Everywhere here...

• Start the desired Fiddler application and begin your network debugging journey.

Additional Resources

• Configure Fiddler Classic
• Configure your web browser to use Fiddler Classic
• Capture traffic on Windows with Fiddler Classic
• Capture traffic on macOS, Linux and Windows with the new Fiddler Everywhere