Mana by themirrazz

Fill out Google Forms' Locked Quizzes on Firefox! Tested in KDE Plasma on Arch Linux, but it should also work on Windows/Mac.

View the source code here:
https://github.com/themirrazz/lockedquizextension
The source code is available under the GNU General Public License v3.0.

This addon uses code from xNasuni's Google Forms Unlocker, which is also licensed under the GNU General Public License v3.0