Go to the preferences and select which animations should be frozen.

You can even select a delay before the visual silence.

If you need entertainment, one click on the page-icon will allow the dance again for that page.

Don't try to freeze twice. Not recommended. Refresh.

Try it out:
https://en.wikipedia.org/wiki/Animated_gif

Install

• License: GNU General Public License v3.0 or later
• Weekly downloads: 0
• Average daily users: 4
• Rating: 0/5 of 0 ratings
• Created: 2018-10-20 18:29:11
• Last updated: 2020-12-23 16:39:34
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/freeze-dont-move/
• API: {985463cd-091d-41eb-ae91-df2df31d033a}