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!)
47,293 users
Power Thesaurus
Use the power of synonyms by button in toolbar, right-click or by word selection on any page.
6,939 users
Auto Tab Discard
Increase browser speed and reduce memory load and when you have numerous open tabs.
88,792 users
Tabliss - New Tab
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
71,770 users
Tab Session Manager
Save and restore the state of windows and tabs. It also supports automatic saving and cloud sync.
149,994 users
ACO - Cart Optimizer
ACO - Cart Optimizer. Optymalizuje zakupy i koszty wysyłki w serwisie Allegro.
Video Download Helper
Detect and download videos from websites you visit. Save streams, clips, and media files quickly with a simple video download helper toolbar.
284 users
streamverlay
Camada de vídeo sincronizada sobre o player da Kick. Não altera o player nem o stream da Kick.
Volume Booster
Boost audio volume on any website beyond normal limits and fix annoying sound problems on YouTube, Steam and more. Volume booster, sound control, audio enhancer, tab volume mixer.
278 users
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
50,752 users
'Improve YouTube!' 🎧 (For YouTube & Video)
Youtube Extension. Powerful but lightweight. Enrich your Youtube and content selection. Make YouTube tidy and smart! (Layout, Filters, Shortcuts, Playlist)
101,404 users
Turn Off the Lights for Firefox
The entire page will be fading to dark, so you can watch the videos as if you were in the cinema. Works for YouTube and Beyond. Dark mode for all websites. It works for all known video sites such as YouTube, Vimeo, Twitch, Dailymotion, Facebook, etc.
63,261 users
Emoji
It permits just with a single click to copy an emoji. There is a search-box and the "Most used emojis" section (the first one). If you want to send feedback or report bug, please contact me
30,414 users