Looks promising, though it’s broken for me
I guess this is the bug tracker
- After connection it tells me to “update” from
4.23346 (2026-09-18) Iceman/master→v4.21128 -- 2026-03-25 -- icemanso could do with updating
Firmware Update Required
Your Proxmark3 is running firmware that is not supported by this app. Please update to a compatible version.
- After connection it tells me
Failed to load module script: Expected a JavaScript-or-Wasm module script but the server responded with a MIME type of “text/html”. Strict MIME type checking is enforced for module scripts per HTML spec.
— Chrome Version 156.0.8078.47 (Official Build) (x86_64)
Loading module from “Proxmark3.app - Read, Write, and Analyze RFID Tags was blocked because of a disallowed MIME type (“text/html”). Lean More
— Firefox for NixOS 158.0.1 (64-bit)
- Doesn’t work on Android
Tested on 2 devices including an up-to-date supported Pixel
https://proxmark3.app wants to connect to a serial port
No compatible devices found
— Chrome 156.0.8078.47
It’s definitely physically connected because if I go to https://googlechromelabs.github.io/serial-terminal/?polyfill it shows and allows me to connect to proxmark3
Note though switching to native API causes it to not be found.
So potentially that’s at least in part a Chrome/Android/Pixel bug?
Does it still work on your Android?
(per: