Video Downloader For Threads is a Firefox extension that lets you download videos from threads.net, the new app from Meta for text sharing and public conversations. It adds a download button below every video.

Hides YouTube's ads and addictive suggestions.

This Add-On adds a shortcut to download Videos you just watching as MP3 (audio) or MP4 (video) on Tubidy.

add torrents to multiple remote transmission servers, with different directories for each

After X amount of time mute the tab.

Watch any video together anywhere!

Sum durations

Extension to directly submit videos to StutterBuddy any video page containing a video link.
Links for other websites such as YouTube are not supported

A browser extension that adds a link to download your child's photos from Storypark.

Blurs the description of what you are watching on Netflix

This addon for Firefox will automatically skip the intro when the skip button appears while streaming content on PeacockTV.com.

Right click an image to see the alt, then click on the alt to copy it.

Sidebar One for Firefox with Audio Player, Digital Clock, Calendar, Alarm Function, Tasks Planner, Notes Planner, etc. Powered by Sidebar.Website

Searche is a new and improved search, with a nice user interface. Searche is an anti-monopoly search engine that empowers users.
This extension Sets Firefox's default search engine to searche.org

Stores, resumes and syncs the last timestamp for watched Youtube videos

Turns the video volume down while Twitch ads are playing.

Direclty save elements without having to specify the name or save path. Skips the Save as Dialog

A non-intrusive QR code paste & decode Firefox add-on

This extension allows you to right click an image and upload it to an image sharing website.

The Other version of YTBMp3 Extention, I fix some problem

Open the youtube video link in a new tab ,(tested in android)

Nyan cat in youtube bar extension

Hides the progressbar on YouTube and Twitch videos. Also hides all YouTube comments. This is to avoid spoilers while watching recordings of (e-sport-)competitions

Lightweight New Tab replacement for your browser with backgrounds from unsplash.com

Displays National Geographic photograph of the day on opening a new tab

Opens a popup with mixcloud

Mutes any www.youtube.com tab when it detects video ads on it. Unmutes the tab when the ads are gone. Backs out on tabs where you manually change the muted state of the tab.

Replaces all audio tags with minos prime screaming

Select and search in Maps with mouse right-click.

Open links / videos in separate windows

Shortcuts
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Windows/Linux: Ctrl+Shift+Y
Mac: Cmd+Shift+Y