The best Web Debugger alternative to HTTP Toolkit is mitmproxy, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to HTTP Toolkit and nine of them are Web Debuggers so hopefully you can find a suitable replacement. Other interesting Web Debugger alternatives to HTTP Toolkit are Fiddler, Charles, Zed Attack Proxy (ZAP) and Requestly.
mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly. It also features mitmdump, a commandline tool that provides a tcpdump-like interface for saving, viewing and...
Web Debugging Proxy that logs all HTTP(S) traffic for comprehensive analysis. It allows manipulation of traffic, supports scripting, and extends with .NET. Debugs virtually any application, implementing man-in-the-middle interception with self-signed certificates. Freeware, ideal for developers.
Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).
Charles is the most popular iPhone & iPad alternative to HTTP Toolkit.
Charles is the most popular commercial alternative to HTTP Toolkit.
The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.
Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.
Requestly is the most popular SaaS alternative to HTTP Toolkit.
HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers.
ReqRes is an open-source, high-performance, modern native web debugging proxy for macOS. It lets you capture, inspect, modify, and intercept HTTP(S) traffic in real time.
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