BlockChan [4chan / 4channel]

This extensions helps to block content on 4chan.

If the first message of a thread contains a word which is on the blocklist all image thumbnails in this thread will be hidden. The images can still be opened by clicking on them.

The blocklist can be edited in the popup menu.

Right-Clicking the first thumbnail in a thread gives you the option to hide or show all thumbnails in a specific thread.