Progress Telerik Fiddler 4.6

Web debugging proxy for any browser, system or platform.

The free web debugging proxy for any browser, system or platform. Ensure the proper cookies, headers and cache directives are transferred between the client and server.

Supports any framework, including .NET, Java, Ruby, etc. Easily manipulate and edit web sessions. All you need to do is set a breakpoint to pause the processing of the session and permit alteration of the request/response.