Here's the decoder in javascript:
https://github.com/happylemonprogramming/gifbuddy/blob/main/static/js/steganography.js
And also in python:
https://github.com/happylemonprogramming/stegosaurus/blob/main/lsbSteganography.py
This is the relevant function for you:
"decode_text_from_url"
Let me know how it goes or if you have any feedback! 🤙