Superpowers for Twitter by Clemens

Mass Follow
It works on the followers, following, likes, retweets, list members/subscribers and search view.
Watch demo

Mass Unfollow
It works on your following view.
Watch demo

Mass Like/Retweet
It works on the list, profile and search view. It also works with the advanced search and saved searches.
Watch demo

Mass Unlike
It works on your likes view.
Watch demo

Mass Unretweet
It works on your profile view.
Watch demo

Autopilot
Performs a series of actions and repeats them after a certain pause.
Watch demo

Customize with powerful options
In Firefox at the top right, click the menu icon > Add-ons > Superpowers for Twitter > Preferences. Note: You need to add the extension first.

Caution
Please carefully read the Twitter rules and best practices.

Please find FAQ and Changelog on the website