Beautiful open-source tools to debug, test & develop with HTTP. 👨‍🔧 Built by @pimterry 🦣 https://xitter.cf/t.co/8DW87wpAYw 🦋 https://xitter.cf/t.co/E4x3L3UoNM
Barcelona, Spain
Joined April 2018
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If you're using custom system CAs on Android for TLS - whether that's for HTTPS debugging, ad blocking or local testing - there's trouble brewing.
Let's talk about the latest Android 17 changes and how to keep things working:
httptoolkit.com/blog/android…
Wow - @daoud_youssef has just put out 5 (five!) separate intro videos for all sorts of different HTTP Toolkit use cases on YouTube.
If you want some help getting started, take a look: youtube.com/@daoudyoussef799…
youtube.com/watch?v=vgQAkh9B…
200ms in the life of an HTTP request: 200ms.thenodebook.com/
200ms.thenodebook.com/
Nearly 5 years of hard work later, the TLS fingerprinting Node.js issue is finally fixed: github.com/nodejs/node/issue….
It's now possible to match most common TLS fingerprints directly in Node.js!
There's a new library to do all the hard work here: github.com/httptoolkit/node-…
Have you seen testserver.host/?
As part of building HTTP Toolkit I often need a remote servers for testing edge cases, so I've built one! Now fairly mature & stable. It's httpbin.org plus badssl.com plus lots of extras.
testserver.host/
(For extra fun, refresh the HTTP/2 page to see HTTP header compression in action: on my machine, the HEADERS frame drops from 499 bytes to 27 by magic)
All free & open source. Visit the root page at testserver.host to see the full docs, or check out github.com/httptoolkit/tests… for the source and self-hosting instructions.
testserver.host
HTTP Toolkit can now automatically detect, parse & expose the EXIF metadata within intercepted images.
Quickly inspect the secret metadata in images to understand when, where, and how they were captured, and plenty more; EXIF can hide a surprising amount! en.wikipedia.org/wiki/Exif
Need a second opinion understanding your HTTP, or a quick first pass to find the good bits?
HTTP Toolkit now has MCP support!
Copy-paste setup for Claude Code and plenty more, so it just takes seconds to get your LLMs intercepting & inspecting HTTP all by themselves ✨
ALT An HTTP Toolkit screenshot, showing a modal titled "Connect HTTP Toolkit to your LLM"
The proxy inside HTTP Toolkit (github.com/httptoolkit/mockt…) was just updated: 30%+ more throughput, lower latency, and perfect mirroring for WebSockets too.
Live now in Mockttp for custom proxies, coming to an HTTP Toolkit near you later this week!
Wouldn't it be nice if HTTP compression suddenly got 90% better for a whole bunch of common web scenarios?
Dictionary Compression is here to save the day: httptoolkit.com/blog/diction…
httptoolkit.com/blog/diction…
Vitor Daniel reverse engineered & probed his university's mobile app API with HTTP Toolkit, found a vulnerable endpoint leaking private data, and successfully worked with them to patch the issue. Great write-up!
vitordaniel.is-a.dev/blog/co…
vitordaniel.is-a.dev/blog/co…