Cosmetic Content Eraser от salmiakkiman

Start erasing unwanted content by:
1. Click on the Cosmetic Content Eraser (CCE) icon on toolbar.
2. Click on content that you want to erase.
3. Stop erasing by clicking the icon again.

New features:
+ save erased content,
+ settings page

To restore erased content open the side panel and either restore elements individually or restore all the removed content.

In the settings page you can export and import saved erased content to another browser. If you don't like the new features you can toggle into legacy mode and then the add-on does not save any of the erased content.

Hotkeys:
Ctrl+Shift+L/Command+Shift+L (to open the side panel)
Ctrl+Shift+X/Command+Shift+X (to start erasing content)