SoundFixer
Helps you fix annoying sound problems on sites like YouTube: audio in one channel only, too quiet or too loud. (Unfortunately, this extension does not work on all websites because of cross-domain issues — but it does work on YouTube!)
48,154 个用户
GIPHY for Firefox
Bring the power of a GIF search engine anywhere on the web. Respond to emails, tweets and more with GIFs quickly and easily. Add GIPHY GIFs to your Gmail, Facebook, Twitter and more. Just search, drag and drop or right click!
6,813 个用户
FoxClocks
FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.
9,736 个用户
YouTube NonStop
Tired of getting that "Video paused. Continue watching?" confirmation dialog? This extension autoclicks it, so you can listen to your favorite music uninterrupted. Working on YouTube and YouTube Music!
151,925 个用户
SponsorBlock - Skip Sponsorships on YouTube
Easily skip YouTube video sponsors. When you visit a YouTube video, the extension will check the database for reported sponsors and automatically skip known sponsors. You can also report sponsors in videos. Other browsers: https://sponsor.ajay.app
738,947 个用户
PDFify Pro & Search
Add the PDFify Pro and Search extension to get PDF converting tool by clicking the favicon on the toolbar and get web search results by Yahoo®
297 个用户
YouTube Search Fixer
Remove ALL distracting search results, redirect shorts back to legacy page and try little visual changes suited for low resolution screens.
34,423 个用户
Watch2Gether
With Watch2Gether you can watch videos together with your friends. Enhance your Watch2Gether experience with our official browser extension.
57,145 个用户
![Volume Control [Boost volume]](https://addons.mozilla.org/user-media/addon_icons/2750/2750023-64.png?modified=33d02c4f){kind=icon}