addons.mozilla.org HttpFox Alternatives

Advanced Web Debugging Proxy for Mac & iOS

HTTP proxy / HTTP monitor / Reverse Proxy

Ensure healthy website performance, uptime, and free from vulnerabilities. Automatic checks for SSL Certificates, domains and monitor issues with your websites all from one console and get instant notifications on any issues.

Try for free freemium $9.0 / Monthly (Lite plan)

A HTTP protocol debugger with Chrome DevTools frontend interface

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

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!

HTTP Headers allows you to quickly see the HTTP header information for the current URL.

Cellist is an all-in-one HTTP debugging proxy software designed for OS that provides a straightforward approach to put a proxy between the HTTP client and the internet.

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Burp Suite is an integrated platform for performing security testing of web applications.

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

Open Source freemium €7.0 / Monthly (for a Pro subscription)

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

Open Source

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

Open Source $49.0 / Annually

Fiddler is a debugging program for websites.