FiddlerCore allows you to integrate HTTP/HTTPS traffic viewing and modification capabilities into your .NET application, without any of the Fiddler UI.

Version, released December 16, 2014

Download the documentation to learn how to develop with FiddlerCore. The install package contains .NET 2.0, 3.5, & 4.0 versions. A FiddlerCore.dll compiled targeting the Mono Framework is now in Alpha.

Please contact for commercial licensing questions.

Diagram showing Fiddler vs. FiddlerCore

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