AO3 Primary Ship Search
Allows searching AO3 for a primary ship tag, removing all search results that do not have the wanted tag as the first relationship tag.
1,378 users
Boxel Rebound
Play over 50 levels of box-jumping madness! Design and share your own levels.
1,374 users
Play YouTube Video In Background
Prevents YouTube and Vimeo from stopping Firefox from playing videos in the background. It is mainly useful for Android devices.
1,357 users
Ivacy VPN: Best Free VPN for Privacy and Security
The best Free Firefox extension for content, security & privacy. Enjoy unlimited bandwidth and speed.
1,355 users
NipahTV
Transform your chat experience on Kick with 7TV emotes, quality of life features and performance improvements.
1,342 users
Free Android online emulator ApkOnline
Free Android online emulator to upload and run your APK and any APK
1,338 users
YouTube Control Center
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
1,315 users
Stream Bypass
A multi-browser addon / extension for multiple streaming providers which redirects directly to the source video.
1,310 users
The Snake Game
Play the Snake game in popup in your browser. Eat, grow and try not to crash.
1,305 users
Share Button for Facebook™
Share Button for Facebook™ lets you share any web page on your Facebook™ Timeline by a quick button.
1,303 users
YourCodecs
Why do some YouTube videos make the browser freeze, the computer heat up, and the cooling fans spin like it's about to take off? It's possible that the video selected a codec that your computer doesn't support.
1,300 users
Steamlvlup Card Factory
Install a browser extension to improve your experience with Steam Trading Cards
1,292 users
Seelie Companion
Seelie Companion extension simplifies the process of accessing in-game data by securely fetching the required login cookies from the game's official websites, allowing seamless integration with SEELIE.me.
1,279 users
GoodLIB -Zlib & Anna's Archive Extension Goodreads
Open books from Goodreads ,StoryGraph , hardcover ,babelio and novelupdates in Z-Library, Anna's Archive, or Gutenberg in one click.
1,270 users
Season Pass Pass
Travel back in time and pull rewards from any previous season pass in destiny 2
1,260 users
YouTube Uninterrupted
Prevents YouTube from pausing videos with the 'Continue watching?' dialog, allowing uninterrupted playback of music, podcasts, and long-form content. This add-on is 100% free and open-source.
1,256 users
Autoplay Settings for YouTube
Disable autoplay on YouTube and save your autoplay settings between sessions.
1,225 users
M3U8/HLS Player with Custom Keyboard Controls
Advanced M3U8/HLS player with customized keyboard controls/shortcuts just like YouTube. Supports keyboard shortcuts, PIP mode, frame navigation, and live streams.
1,220 users
Video Downloader
Download videos from popular websites in just one click. Fast, easy, and secure video downloading right from your browser.
1,194 users
autoClick
I make clicks... for real. If you play idle/clicker games this one is for you. Just select a key in your keyboard and press it down for the mouse to left-click, and you can it pressed down for all the time you want.
1,180 users
Lab Ray Logger by Jellyneo
Use Jellyneo's Lab Ray Logger to automatically keep a record of all your daily Neopet and Petpet Lab Ray zaps. NEW IN v2.0: Now offering logging for Petpet zaps! Copyright 2000-2026 NeoPets, Inc. All rights reserved. Used with permission.
1,178 users
