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! 🤙