List of Firefox add-ons with 3-3.99 stars

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1-1.99 stars
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0 ratings
1 rating
2-9 ratings
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100-999 ratings
1000-9999 ratings
10K+ ratings

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.

5,601 results. Page 1 of 225.

#1, Easy Screenshot

Mozilla Online

Capture a screenshot of the whole webpage, and save in your desktop in default.

3.89 (707)

3,262,415

#2, Language: English (GB)

Mozilla Firefox

Firefox Language Pack for English (GB) (en-GB)

3.72 (918)

1,786,134

#3, Norton Safe Web

NortonLifeLock

Protects your browser from online threats.

3.99 (358)

642,608

#4, 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 (8,458)

548,212

#5, 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.

3.84 (1,394)

327,883

#6, I don't care about cookies

Gen Digital Inc.

Get rid of cookie warnings from almost all websites!

3.14 (1,750)

325,042

#7, 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 (911)

322,791

#8, Language: Nederlands (Dutch)

Mozilla Firefox

Firefox Language Pack for Nederlands (nl) – Dutch

3.91 (220)

298,931

#9, Norton Password Manager

NortonLifeLock

Norton Password Manager. Free password security you can trust.

3.53 (670)

285,800

#10, Coupert - Automatic Coupon Finder & Cashback

Coupert

Coupert automatically finds coupons, applies best coupon code at checkout & gives you cashback.

3.82 (66)

243,313

#11, Language: Svenska (Swedish)

Mozilla Firefox

Firefox Language Pack for Svenska (sv-SE) – Swedish

3.89 (70)

236,679

#12, Playmaker – Balanced

Mozilla Firefox

You create opportunities to win and help everyone around you elevate their game.

3.33 (6)

231,688

#13, 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 (1,176)

230,849

#14, Language: Suomi (Finnish)

Mozilla Firefox

Firefox Language Pack for Suomi (fi) – Finnish

3.41 (56)

224,052

#15, 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 (820)

208,675

#16, Pinterest Save Button

Pinterest, Inc.

Save your favorite ideas online so you can easily get back to them later.

3.42 (454)

177,486

#17, 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.

3.86 (1,240)

162,895

#18, Belgium eID

BOSA

Use the Belgian electronic identity card (eID) in Firefox

3.32 (1,627)

159,850

#19, ColorZilla

Alex Sirota

Advanced Eyedropper, Color Picker, Gradient Generator and other colorful goodies...

3.86 (335)

149,387

#20, Language: हिन्दी (Hindi)

Mozilla Firefox

Firefox Language Pack for हिन्दी (hi-IN) – Hindi

3.83 (138)

149,184

#21, 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!

3.77 (2,351)

146,657