The best HTTP(S) 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 11 are HTTP(S) Debuggers so hopefully you can find a suitable replacement. Other interesting HTTP(S) Debugger alternatives to HTTP Toolkit are Fiddler, Hoppscotch, Charles and Proxyman.
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.
Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.
Hoppscotch is the most popular Web-based & Self-Hosted alternative to HTTP Toolkit.
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.
Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains. Available on macOS, iOS, Windows & Linux.
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.
Online tool for inspecting and debugging HTTP requests and checking common cases like headers, gzip compression, HSTS implementations or HTTP redirects. Encode or decode base64 and URL encoding.
Fluxzy Desktop is a comprehensive HTTP debugger and Man-in-the-Middle (MITM) tool available for Windows, macOS, and Linux. It's tailored for developers and network professionals seeking in-depth web traffic analysis and manipulation. Key features include:
Built from the ground up for mobile developers. Monitor network requests, logs, and events in real-time. Debug faster, ship with confidence.
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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It's exclusive build for macOS and fix all ugly side of Charles, Fiddler