
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.

Invision
Ruttl
Userback
Visual Debug
ReviewLayer
Frame.io
Monosnap
Red Pen lets you upload your design, share a short URL, and get live, annotated feedback super-fast.

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 | redpen.io |
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| Company | Startup from Spain · 1 - 9 employees | — |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Red Pen yet.
Walkthroughs and reviews on video.
HTTP Toolkit Demo
Officer's Red Pen
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using HTTP Toolkit and Red Pen. For example, how are they different and which one is better?
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...
We have no reviews of Red Pen yet. Be the first one to post
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 Red Pen since Mar 2021.
When comparing HTTP Toolkit and Red Pen, 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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ruttl is the fastest website feedback tool to add comments & make edits on live websites & web apps, so that you can give precise change values to your developers. You can also collect feedback from your clients without login or sign-up!
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mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
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Userback empowers product teams to collect, understand, and act on user feedback with unprecedented speed and clarity.
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