List of Firefox add-ons with 3-3.99 stars

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.

5,520 results. Page 1 of 221.
Language: English (GB)
#1, Language: English (GB)
Language: English (GB)
Mozilla Firefox
Firefox Language Pack for English (GB) (en-GB)
3.71 (902)
1,785,997
Easy Screenshot
#2, Easy Screenshot
Easy Screenshot
Mozilla Online
Capture a screenshot of the whole webpage, and save in your desktop in default.
3.90 (704)
1,716,481
Merlin
Norton Safe Web
#3, Norton Safe Web
Norton Safe Web
NortonLifeLock
Protects your browser from online threats.
3.97 (351)
667,085
LastPass Password Manager
#4, LastPass Password Manager
LastPass Password Manager
LastPass
LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.
3.68 (8,394)
562,460
Советник Яндекс.Маркета
#5, Советник Яндекс.Маркета
Советник Яндекс.Маркета
Яндекс
Находит низкие цены на товары
3.32 (60)
375,704
Firefox Translations
#6, Firefox Translations
Firefox Translations
Mozilla Firefox
Translate websites in your browser, privately, without using the cloud. The functionality from this extension is now integrated into Firefox.
3.64 (882)
331,250
I don't care about cookies
#7, I don't care about cookies
I don't care about cookies
Gen Digital Inc.
Get rid of cookie warnings from almost all websites!
3.16 (1,715)
330,531
1Password: Password Manager
#8, 1Password: Password Manager
1Password: Password Manager
1Password
The best way to experience 1Password in your browser. Easily sign in to sites, generate passwords, and store secure information, including logins, credit cards, notes, and more.
3.83 (1,366)
322,762
Norton Password Manager
#9, Norton Password Manager
Norton Password Manager
NortonLifeLock
Norton Password Manager. Free password security you can trust.
3.52 (660)
306,061
Language: Nederlands (Dutch)
#10, Language: Nederlands (Dutch)
Language: Nederlands (Dutch)
Mozilla Firefox
Firefox Language Pack for Nederlands (nl) – Dutch
3.89 (216)
299,956
Merlin
Coupert - Automatic Coupon Finder & Cashback
#11, Coupert - Automatic Coupon Finder & Cashback
Coupert - Automatic Coupon Finder & Cashback
Coupert
Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.
3.50 (30)
253,861
Playmaker – Balanced
#12, Playmaker – Balanced
Playmaker – Balanced
Mozilla Firefox
You create opportunities to win and help everyone around you elevate their game.
3.33 (6)
245,335
Language: Svenska (Swedish)
#13, Language: Svenska (Swedish)
Language: Svenska (Swedish)
Mozilla Firefox
Firefox Language Pack for Svenska (sv-SE) – Swedish
3.89 (70)
239,172
Google Translator for Firefox
#14, Google Translator for Firefox
Google Translator for Firefox
nobzol
With this addon you can translate any text to your own language with one click or hot-key. You can either translate the selected text, this way the translated text will overwrite the original selected text, or you can translate the full page too.
3.40 (1,174)
238,307
Language: Suomi (Finnish)
#15, Language: Suomi (Finnish)
Language: Suomi (Finnish)
Mozilla Firefox
Firefox Language Pack for Suomi (fi) – Finnish
3.38 (55)
226,347
FoxyProxy Standard
#16, FoxyProxy Standard
FoxyProxy Standard
Eric
FoxyProxy is an open-source, advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. No paid accounts are necessary; bring your own proxies or buy from any vendor. The original proxy tool, since 2006.
3.95 (799)
192,136
Pinterest Save Button
#17, Pinterest Save Button
Pinterest Save Button
Pinterest, Inc.
Save your favorite ideas online so you can easily get back to them later.
3.41 (449)
183,350
Belgium eID
#18, Belgium eID
Belgium eID
BOSA
Use the Belgian electronic identity card (eID) in Firefox
3.31 (1,615)
161,585
YouTube High Definition
#19, 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 (1,223)
161,442
Language: हिन्दी (Hindi)
#20, Language: हिन्दी (Hindi)
Language: हिन्दी (Hindi)
Mozilla Firefox
Firefox Language Pack for हिन्दी (hi-IN) – Hindi
3.85 (137)
154,477
ColorZilla
#21, ColorZilla
ColorZilla
Alex Sirota
Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...
3.86 (335)
149,538
NordVPN - a VPN proxy extension for Firefox
#22, NordVPN - a VPN proxy extension for Firefox
NordVPN - a VPN proxy extension for Firefox
NordVPN
Looking for the best VPN extension for Firefox? NordVPN's Firefox VPN proxy extension lets you hide your IP, change your virtual location, and stay safe online with a click. Get a fast, secure, and unlimited VPN for Firefox!
3.79 (2,300)
148,034
Read Aloud: A Text to Speech Voice Reader
#23, Read Aloud: A Text to Speech Voice Reader
Read Aloud: A Text to Speech Voice Reader
LSD Software
Read out loud the current web-page article with one click. Supports 40+ languages.
3.86 (905)
146,468
Language: Islenska (Icelandic)
#24, Language: Islenska (Icelandic)
Language: Islenska (Icelandic)
Mozilla Firefox
Firefox Language Pack for Islenska (is) – Icelandic
3.00 (3)
143,415
YouTube Video and Audio Downloader (WebEx)
#25, YouTube Video and Audio Downloader (WebEx)
YouTube Video and Audio Downloader (WebEx)
feller
Download YouTube videos in all available formats and extract the original audio files
3.85 (1,732)
142,616
5,520 results. Page 1 of 221.