The top 25 most used Firefox add-on in Other extensions category

View results for Other extensions in Firefox Browser Add-ons

Add-ons (also known as extensions) are small programs that run inside web browsers like Mozilla Firefox. They add extra features to the browser without having to download anything new. You can use extensions to make browsing faster, easier, and safer. Some extensions even let you do things like translate text on websites, search the web, and play games.

There are over 28,000 Firefox-addons and 480,000 themes, making it hard to find the best ones. so we have created a way to sort through all of them. Use the dropdown above to set different filters. Add-ons are sorted by number of active users.

To set even more advanced filters, and sort the Firefox add-ons differently, please visit our Advanced search tool. Note that Advanced search tool is only available to premium members.

375 results. Page 1 of 15.
Dark Reader
#1, Dark Reader
Dark Reader
Dark Reader Ltd
Dark mode for every website. Take care of your eyes, use dark theme for night and daily browsing.
4.53 (5,533)
1,157,921
AdGuard AdBlocker
#2, AdGuard AdBlocker
AdGuard AdBlocker
Adguard Software Ltd
Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.
4.70 (5,628)
1,056,228
Return YouTube Dislike
#3, Return YouTube Dislike
Return YouTube Dislike
Dmitry Selivanov
Returns ability to see dislike statistics on youtube
4.74 (4,006)
627,461
Simple Translate
#4, Simple Translate
Simple Translate
sienori
Quickly translate selected or typed text on web pages. Supports Google Translate and DeepL API.
4.68 (1,848)
310,674
YouTube High Definition
#5, YouTube High Definition
YouTube High Definition
Baris Derin
YouTube High Definition is a powerful tool that automatically plays all YouTube videos in HD, changes video player size, offers auto-stop and mute, and much more.
3.87 (1,233)
162,639
EPUBReader
#6, EPUBReader
EPUBReader
epubreader
Read ePub files right in Firefox. No additional software needed!
3.66 (338)
135,268
Gesturefy
#7, Gesturefy
Gesturefy
Robbendebiene
Navigate, operate, and browse faster with mouse gestures! A customizable mouse gesture add-on with a variety of different commands.
4.45 (1,319)
98,641
Simple Tab Groups
#8, Simple Tab Groups
Simple Tab Groups
Drive4ik
Create, modify, and quickly change tab groups
4.05 (1,520)
79,361
Tabliss - New Tab
#9, Tabliss - New Tab
Tabliss - New Tab
tabliss.io
A beautiful New Tab page with many customisable backgrounds and widgets that does not require any permissions.
4.64 (2,168)
72,813
LeechBlock NG
#10, LeechBlock NG
LeechBlock NG
James Anderson
LeechBlock NG is a simple productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.
4.81 (1,459)
68,939
RoboForm Password Manager
#11, RoboForm Password Manager
RoboForm Password Manager
Siber Systems
RoboForm, the #1 ranked Password Manager makes your life easier by remembering passwords and logging you into websites automatically
4.33 (3,961)
64,725
Dictionary Anywhere
#12, Dictionary Anywhere
Dictionary Anywhere
meetDeveloper
View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble. It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!.
4.24 (363)
42,235
Tomato Clock
#13, Tomato Clock
Tomato Clock
Samuel Jun
Tomato Clock is a simple browser extension that helps with online time management.
4.55 (381)
37,141
SoundFixer
#14, SoundFixer
SoundFixer
Val Packett
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!)
4.44 (350)
33,362
Tab Stash
#15, Tab Stash
Tab Stash
Josh Berry
Easily save and organize batches of tabs as bookmarks. Clear your tabs, clear your mind. Only for Firefox.
4.62 (420)
32,110
Foxy Gestures
#16, Foxy Gestures
Foxy Gestures
liebs
Mouse gestures for Firefox. A web extension alternative to FireGestures created by a long time FireGestures user.
4.22 (482)
22,281
Link Gopher
#17, Link Gopher
Link Gopher
Andrew Ziem
Extracts all links from web page, sorts them, removes duplicates, and displays them in a new tab for inspection or copy and paste into other systems.
4.55 (150)
16,110
Default Bookmark Folder
#18, Default Bookmark Folder
Default Bookmark Folder
Teddy Gustiaux
Allows you to choose the default bookmark location folder and quickly bookmark pages via a dedicated icon.
4.52 (395)
14,361
Swift Selection Search
#19, Swift Selection Search
Swift Selection Search
Daniel Lobo
Swiftly access your search engines in a popup panel when you select text in a webpage. Context menu also included!
4.76 (610)
11,000
Tabby - Window & Tab Manager
#20, Tabby - Window & Tab Manager
Tabby - Window & Tab Manager
BillK
Tabby helps you manage a lot of windows and tabs easily; it can help you open, close, move, pin, and do many other things on tabs and windows quickly. With Tabby, you can even save all you windows and tabs for later with just one click!
4.28 (174)
8,610
Cisco Webex Extension
#21, Cisco Webex Extension
Cisco Webex Extension
Cisco WebEx
Join Webex meetings using Firefox ™
2.88 (313)
1,009,837
Grammarly: AI Writing and Grammar Checker App
#22, Grammarly: AI Writing and Grammar Checker App
Grammarly: AI Writing and Grammar Checker App
Grammarly
Improve your writing with Grammarly's assistance. Get spell check, grammar check, and punctuation check in one tool. Real-time suggestions for improving tone and clarity help ensure your writing makes the impression you want.
4.11 (2,967)
806,138
Tampermonkey
#23, Tampermonkey
Tampermonkey
Jan Biniok
Tampermonkey is the world's most popular userscript manager.
4.70 (4,705)
696,673
Malwarebytes Browser Guard
#24, Malwarebytes Browser Guard
Malwarebytes Browser Guard
Malwarebytes
The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.
4.28 (694)
525,586
MetaMask
#25, MetaMask
MetaMask
danfinlay
Ethereum Browser Extension
4.27 (3,897)
487,063
375 results. Page 1 of 15.