UltraWideo
The cross-browser extension that manipulates video aspect ratio to fit your entire screen. Take control over cinematic black bars. Netflix | Prime Video | Disney+ | Hulu | ESPN | + Many others...
11,641 users
Color Picker
Search for the perfect color via an stylish color picker in a popup.
11,584 users
YouTube MP4
View YouTube videos in raw MP4 format. Get notifications about available videos and formats.
11,266 users
Search by Image on Google
Right click on an image to search Google for related images or versions in different sizes.
10,757 users
New Tong Wen Tang
Traditional and Simplified Chinese Converter
10,736 users
Pixiv Toolkit
Convert ugoira to gif or/and webm, pack manga for downloading and download novel on Pixiv.
10,641 users
Modify Header Value
Add, modify or remove a header for any request on desired domains.
10,597 users
Google Search Maps Button
Adds back the Maps button to Google search pages and makes the map images clickable again for seamless navigation.
10,554 users
New Tab Tools
Customizes the new tab page. Add more tiles. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
10,259 users
Midnight Lizard
Custom color schemes for all websites: night mode, dark themes, blue light filter, screen shader, high contrast, grayscale, etc.
10,246 users
Auto Fullscreen
Auto Fullscreen for Firefox Quantum
10,185 users
Always on Top
Sets "Always on Top" style for your Firefox window
9,704 users
Clickbait Remover for Youtube
Replaces thumbnails and modifies titles of videos on youtube.com and m.youtube.com
9,483 users
Youtube Ad Auto-skipper
Youtube Ad Skipper is an extension that auto skips ads after youtube provides a skip ad button. It does not block an ad.
9,420 users
Open Link with New Tab
Open the link in a new tab depending on the setting.
9,415 users
WhatRuns
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
9,243 users
Activate Reader View
This add-on adds a button to the toolbar. Clicking on it activates the Reader View even if the icon in the address bar is not present.
9,074 users
Tab Counter
Add a badge to the toolbar that shows the number of currently open tabs in a window or all windows.
8,783 users
Adaware AdBlock
By blocking annoying ads and nosy trackers, Adaware AdBlock nearly doubles your browsing speed! And with the most robust antivirus-level cloud-scanning technology of any ad blocker on the market, you’ll be safe from the latest cyber-threats.
8,753 users
Text Link & Google Translate
Non linked URL open with double click. and Google translate.
8,649 users
Refined GitHub
Simplifies the GitHub interface and adds many useful features.
8,645 users
Dark Mode for Wikipedia
Dark mode for English Wikipedia.
8,488 users
Better Canvas
Best dark mode for Canvas, plus other features
8,437 users
Markdown Viewer Webext
Displays markdown documents beautified in your browser.
8,434 users
Tab Rotator
The Tab Rotator automatically switches between the open tabs of a browser window after a certain amount of time.
8,337 users