Web Archives
View archived and cached versions of web pages on various search engines, such as the Wayback Machine and Archive․is.
68,575 users
New Tab Override
New Tab Override allows you to set the page that shows whenever you open a new tab.
64,703 users
Sidebery
Vertical tabs tree and bookmarks in sidebar with advanced containers configuration, grouping and many other features.
61,811 users
Imagus
With a simple mouse-over you can enlarge images and display images/videos from links.
60,281 users
Clear Cache
Advanced cache clearing with time periods, current tab filter, and smart notifications. Perfect for developers and power users. F9 shortcut included!
59,690 users
RoboForm Password Manager
RoboForm Password Manager makes your life easier by remembering passwords and logging you into websites automatically
58,018 users
Turbo Download Manager
A download manager with the ability to pause and resume downloads, download remote files, and more.
56,037 users
Chrome Mask
Makes Firefox wear a mask to look like Chrome to websites that block Firefox otherwise.
50,519 users
PopUpOFF
Removes and prevents popups, overlays and cookie notifications, other tools do not. Enjoy the original look of the internet.
48,672 users
Turn Off the Lights for YouTube™
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.
47,785 users
TinEye Reverse Image Search
Click on any image on the web to search for it on TinEye. Recommended by Firefox! Discover where an image came from, see how it is being used, check if modified versions exist or locate high resolution versions. Made with love by the TinEye team.
46,630 users
Feedbro - RSS Feed Reader
Advanced Feed Reader - Read news, blogs, social media or any RSS/Atom/RDF source.
46,382 users
Undo Close Tab
Allows you to restore the tab you just closed with a single click—plus it can offer a list of recently closed tabs within a convenient context menu.
46,132 users
Control Panel for Twitter
Gives you more control over Twitter and adds missing features and UI improvements
45,650 users
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!)
44,295 users
Tranquility Reader
Tranquility Reader improves the readability of web articles by removing unnecessary elements like ads, images, social sharing widgets, and other distracting fluff.
41,644 users
Image Search Options
A customizable reverse image search tool that conveniently presents a variety of top image search engines.
39,143 users
Adaptive Tab Bar Colour
Changes the colour of Firefox theme to match the website’s appearance.
38,561 users
