Fiddler Web Debugger Monitor HTTP/HTTPs traffic from any browser Fiddler is a free web debugging proxy which logs all HTTP(s) traffic between your computer and the Internet. Use it to debug traffic from virtually any appl
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Fiddler Web Debugger Description

Free web debugging proxy Monitor HTTP/HTTPs traffic from any browser Fiddler is a free web debugging proxy which logs all HTTP(s) traffic between your computer and the Internet. Use it to debug traffic from virtually any application that supports a proxy like IE, Chrome, Safari, Firefox, Opera, and more. Inspect and debug traffic from any client Debug traffic from PC, Mac, or Linux systems and mobile devices. Ensure the proper cookies, headers, and cache directives are transferred between the client and server. Supports any framework, including .NET, Java, Ruby, etc. Tamper client requests and server responses 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. You can also compose your own HTTP requests to run through Fiddler. Test the performance of your web sites and apps Fiddler lets you see the “total page weight,” HTTP caching, and compression at a glance. Isolate performance bottlenecks with rules like “Flag any uncompressed responses larger than 25kb.” Decrypt HTTPS web sessions Use Fiddler for security testing your web applications -- decrypt HTTPS traffic, and display and modify requests using a man-in-the-middle decryption technique. Configure Fiddler to decrypt all traffic, or only specific sessions.

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