List of Firefox add-ons with Updated 7-30 days ago

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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.

1,345 results. Page 1 of 54.

#1, Video DownloadHelper

mig

The easy way to download and convert Web videos from hundreds of YouTube-like sites.

4.28 (24,967)

1,973,687

#2, DuckDuckGo Privacy Essentials

DuckDuckGo

Simple and seamless privacy protection for your browser: tracker blocking, cookie protection, DuckDuckGo private search, email protection, HTTPS upgrading, and much more.

4.35 (2,021)

1,584,715

#3, Privacy Badger

EFF Technologists

Automatically learns to block invisible trackers.

4.80 (2,338)

1,179,168

#4, AdGuard AdBlocker

Adguard Software Ltd

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

4.71 (5,406)

1,032,145

#5, Grammarly: Grammar Checker and Writing App

Grammarly

Improve your writing with Grammarly's communication assistance. 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.

4.10 (2,908)

793,496

#6, IDM Integration Module

Internet Download Manager, Tonec Inc.

Download files with Internet Download Manager

4.54 (2,678)

713,098

#7, Norton Safe Web

NortonLifeLock

Protects your browser from online threats.

3.98 (347)

685,623

#8, Bitwarden - Free Password Manager

Bitwarden Inc.

A secure and free password manager for all of your devices.

4.78 (7,538)

682,864

#9, LastPass Password Manager

LastPass

LastPass, an award-winning password manager, saves your passwords and gives you secure access from every computer and mobile device.

3.67 (8,303)

562,173

#10, Capital One Shopping: Save Now

Capital One Shopping

Capital One Shopping instantly applies coupon codes to your shopping cart, helps you snag exclusive rewards when you shop at stores you love and compares prices on Amazon to other popular retailers. It's kinda genius.

4.47 (547)

516,434

#11, Malwarebytes Browser Guard

Malwarebytes

The fastest and safest web browsing experience. Secure your privacy by blocking trackers, blocking ads, and blocking malicious content.

4.33 (646)

515,725

#12, AdBlocker for YouTube™

AdblockLite

Remove all annoying ads from YouTube.

4.12 (928)

461,751

#13, BetterTTV

NightDev

Enhances Twitch and YouTube with new features, emotes, and more.

4.69 (820)

432,288

#14, Search by Image

Armin Sebastian

A powerful reverse image search tool, with support for various search engines, such as Google, Bing, Yandex, Baidu and TinEye.

4.65 (1,355)

283,366

#15, Coupert - Automatic Coupon Finder & Cashback

Coupert

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

2.30 (10)

271,019

#16, Greasemonkey

Anthony Lieuallen

Customize the way a web page displays or behaves, by using small bits of JavaScript.

4.17 (1,222)

202,653

#17, Tree Style Tab

Piro (piro_or)

Show tabs like a tree.

4.56 (1,871)

188,624

#18, Browsing Protection by F-Secure

F-Secure

Extension for protecting encrypted browsing with security products by F-Secure.

4.07 (166)

187,527

#19, Rakuten: Get Cash Back For Shopping

Rakuten

Start shopping smarter with Cash Back and coupons. By clicking Add to Firefox you agree to the Rakuten Extension Terms & Conditions

4.51 (845)

149,585

#20, Dashlane Password Manager

Dashlane

Dashlane makes the internet easier. Save all your passwords, fill forms fast, and keep your data accessible and safe.

4.35 (268)

148,728

#21, NordVPN – A VPN Proxy Extension for Firefox

NordVPN

Looking for the best VPN for Firefox? Make sure it’s one that’s both fast and secure — like NordVPN. Our Firefox VPN proxy extension lets you hide your real IP, change your virtual location, and stay safe online.

3.79 (2,253)

143,972

#22, Flagfox

Dave G

Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...

4.65 (933)

119,826

#23, Wappalyzer

Wappalyzer

Identify technologies on websites

4.38 (461)

116,537

#24, VPN VeePN - Free VPN for Firefox

VeePN

Enjoy fast and secure free Firefox VPN Proxy extension. Unblock websites, protect your data, and browse freely – all at the highest connection speeds!

4.15 (562)

100,801

#25, Windscribe - Free VPN and Ad Blocker

Windscribe

Windscribe helps you circumvent censorship, block ads, beacons and trackers on websites you use every day.

4.55 (3,673)

88,191

1,345 results. Page 1 of 54.