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Find tools to improve your workflow - right within Firefox.

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YouTube Thumbnail Viewer

Displays Youtube thumbnails of current tab

BigBlueButton buttons

Adds media-playback controls to BigBlueButton recordings.

Art from The Metropolitan Museum of Art

Discover a random object from The Met's online collection every time you open a new browser tab. Also, test your art knowledge with a quiz feature!

Smart Tab Mute +

Fixed and enhanced version of "Smart Tab Mute" Ensures that only one tab plays audio at the same time and unmute the previously audio playing tab when one stops

South Park Enhancer

Adds useful features for enjoying South Park on the official website

Fix Udemy

Fixes Udemy video playback speed not saving between videos, this extension will store your speed preferences for each instructor and properly reload with that speed on all videos

Apple TV Speed Controller

Enables you to change Apple TV+ playback speed. Press Period/Comma to Increase/Decrease. On speed change, the overlay will be toggled showing your changed speed.

Remover Propagandas do Youtube

Remover propagandas do Youtube durante a exibição de um vídeo. Remove banner, e video propagandas.

Comment Picker

Comment-Picker allows you to pick a random comment winner from your Instagram photos and videos for free.

YouTube Cinema

Expands cinema mode (click ▭) to display in maximal size.

YT Speed Change

A browser extension to change the playback speed of YouTube freely and intuitively.

Youtube Video Looper

Adds a Checkbox to the Youtube Video your watching, which loops the video when ticked. If the checkbox doesn't appear try to start the video or reload the page.

Karamel: View Reddit comments on YouTube™

Step up your viewing experience by embedding relevant Reddit comments under YouTube videos.

App for Google™ Paint

Easily open and use google paint while you browse, with just one click

Player Helper

Automate steps when website load eg. skip ads in youtube, set speed ...

Google Photo Eraser

An extension that allows you to quickly delete photos from Google Photos by pressing the Delete key.

Video Summarizer

Changes playback speed for videos depending on loudness of the video. Speed up long lectures at different rates, depending on whether the teacher is saying something or is just silently writing something on whiteboard.

Video Siphon

Download any video from Wista, Vimeo and Facebook in ONE CLICK

Transparent Standalone Images

Always use a transparent image background for top-level image documents!