YouTube Auto Like от pg

A plugin that likes videos from channels you subscribe to, so you never forget to support your favorite content creators. You can choose to like all videos, just from the channels subscribed or deactivate the plugin. If a video is disliked, the plugin will NOT re-likes it after.
Optionally, you can add users to a list and set the list in black or white mode.
No login required.

The 'old' youtube version is not supported since 3.0.0. If want to use the plugin, use the version 2.3.4.

You can report an issue here.

GitHub home page