
Proxyman.io
Charles Proxy
mitmproxy
Surge for Mac
Fiddler
Weer
James
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.

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Which is more popular?
Based on our record, HTTP Toolkit seems to be more popular. It has been mentioned 30 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | httptoolkit.com | opalstack.com |
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| Platforms | — | |
| Company | Startup from Spain · 1 - 9 employees | — |
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What each product offers, as listed by its team.


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Why this product is good
Recommended for
Overall verdict
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HTTP Toolkit Demo
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External articles and on-site reviews we used to compare the two products.


HTTP ToolKit is an open-source tool for debugging. It works with the three main OS and has good features attached to it. Just with a click, it can intercept and view all your HTTP(s). Compared to others, it targets...
HTTP Toolkit supports standard HTTP debugger features including breakpoints & rewriting HTTP(S) traffic, filtering and searching collected traffic, and highlighting & autoformatting for many popular request & response...
For debugging, testing, and building APIs with HTTPs, you can effectively use HTTP Toolkit because it is built for this purpose. Also, this is the reason why it is known as a good Postman alternative for various...
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Recommendations tracked on public social media and blogs since March 2021.


I can add certificates on my unrooted android. That how HTTPToolkit [0] works, it only requires adb, which (thankfully) doesn't trip banking apps. Banking apps can (and do iirc) pin certificates, so a rooted phone adds no risk... - Source: Hacker News / 7 months ago
For my rather simple needs I've been using https://httptoolkit.com free edition, I like that it launches a independent Firefox window on its own for the intercepting so I don't have to touch my working browser or deal with configuring a... - Source: Hacker News / 9 months ago
This one is truly a gem: https://httptoolkit.com It even bypasses SSL pinning on Android using 1 click. - Source: Hacker News / 9 months ago
Tracking Opalstack since Sep 2023.
When comparing HTTP Toolkit and Opalstack, you can also consider the following products.

Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
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HTTP proxy / HTTP monitor / Reverse Proxy
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mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
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Advanced Web Debugging Proxy for Mac & iOS
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A HTTP protocol debugger with Chrome DevTools frontend interface
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