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HTTP Debugger

Debug HTTP API calls to a back-end and between back-ends. Easy of use, clean UI, and short ramp-up time. Not a proxy, no network issues!

21 Alternatives To HTTP Debugger

Firefox Developer Tools

Examine, edit, and debug HTML, CSS, and JavaScript on the desktop and on mobile.

HTTP Toolkit

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, CLI tools, scripts and more.
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HttpWatch

HttpWatch: The ultimate HTTP Sniffer for Chrome, IE and iOS

James

James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from…

Live HTTP Headers

The goal of this project is to adds information about the HTTP headers in three ways:

NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows.

Proxyman

An modern and intuitive HTTP debugging proxy on macOS & iOS https://proxyman.io
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Stetho

Stetho is a sophisticated debug bridge for Android applications. When enabled, developers have access to the Chrome Developer Tools feature natively part of the Chrome desktop browser. Developers can also choose to enable the optional dumpapp tool which offers a powerful command-line interface to application internals.

Switchie

Proxy switcher with monitoring and port detection
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Wireshark

Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.

Zed Attack Proxy

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding…

mitmproxy

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.