[keurrr]

My friend and I implemented this a couple of years ago. It is no longer maintained but the general ideas still apply. Very few social media sites use standard text areas which makes maintaining compatibility a total PITA.

https://github.com/XCF-Babble/babble

There is another group that fully supports an E2EE Facebook https://github.com/DimensionDev/Maskbook

[hardwaresofton]

Thanks for the pointers! Keeping up with the changing components/data entry stuff for different websites would certainly suck.