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Ghostery Compatible with Firefox 57+ Featured

Increase your browsing privacy, protection, and speed.

Rated 4 out of 5 stars (1,596)
990,883 users

lesspass Compatible with Firefox 57+ Featured

Use LessPass add-on to generate complex passwords and log in automatically to all your sites

Rated 5 out of 5 stars (16)
3,584 users

Awesome Screenshot Plus - Capture, Annotate & More Compatible with Firefox 57+ Featured

Capture the whole page or any portion, annotate it with rectangles, circles, arrows, lines and text, blur sensitive info, one-click upload to share. And more!

Rated 4 out of 5 stars (1,621)
445,511 users

AdBlock for Firefox Compatible with Firefox 57+ Featured

The most popular ad blocker for Chrome and Safari, now available for Firefox! Block all advertisements on all web pages, even Facebook, Youtube, and Hulu. Browse faster, too! Most ads aren't even downloaded at all, saving you time and bandwidth.

Rated 4 out of 5 stars (161)
452,279 users

Zoom Page WE Compatible with Firefox 57+ Featured

Zoom web pages (either per-site or per-tab) using full-page zoom, text-only zoom, automatic fit-to-width and minimum font size.

Rated 4 out of 5 stars (26)
2,213 users

YouTube™ Flash-HTML5 Compatible with Firefox 57+ Featured

Play YouTube™ Videos in Flash or HTML5 Player

Rated 4 out of 5 stars (61)
40,048 users

Forecastfox (fix version) Compatible with Firefox 57+ Featured

Get international weather forecasts from AccuWeather.com and display them in any toolbar or statusbar with this highly customizable and unobtrusive extension.

Now Available for: Firefox, Thunderbird and SeaMonkey!

Rated 4 out of 5 stars (293)
48,903 users

AdBlocker Ultimate Compatible with Firefox 57+ Featured

Free and improved ad blocker. Completely remove ALL ads. No "acceptable" ads or whitelisted advertisers, block tracking, block malware!

Rated 5 out of 5 stars (2,397)
411,195 users

EPUBReader Compatible with Firefox 57+ Featured

With EPUBReader you can read ePub files just in Firefox. No additional software needed!

Rated 4 out of 5 stars (215)
273,467 users

Reverse Image Search Compatible with Firefox 57+ Featured

Capture, Reverse Image Search is a powerful capturing reverse image search tool built on top of TinEye engine.

Rated 4 out of 5 stars (18)
9,370 users

Speed Dial (Lite) Compatible with Firefox 57+ Featured

Access to your favorite websites via an stylish speed dial!

Rated 3 out of 5 stars (19)
3,555 users

Pearltrees Compatible with Firefox 57+ Featured

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (246)
13,311 users

Privacy Badger Compatible with Firefox 57+ Featured

Protects your privacy by blocking spying ads and invisible trackers.

Rated 4 out of 5 stars (187)
446,045 users

Fraudscore Compatible with Firefox 57+ Featured

Block unwanted dangerous malware while keeping your personal information safe. Fraudscore's Artificial Intelligence tracks and blocks shady advertisements, malicious websites, and software that tries to steal your personal information.

Rated 4 out of 5 stars (6)
3,060 users

Country Flags & IP Whois Compatible with Firefox 57+ Featured

Displays country flag of website's server location, Whois and Geo info on a browser addressbar icon

Rated 5 out of 5 stars (27)
2,370 users

Font Finder (revived) Compatible with Firefox 57+ Featured

Get all CSS styles of selected text

Rated 5 out of 5 stars (26)
10,667 users

LanguageTool Grammar Checker Compatible with Firefox 57+ Featured

With this extension you can check text with the free style and grammar checker LanguageTool. It finds many errors that a simple spell checker cannot detect, like mixing up there/their, a/an, or repeating a word.

Rated 4 out of 5 stars (31)
75,778 users

Tab notifier Compatible with Firefox 57+ Featured

Enables desktop notifications like in Chrome (e.g. Gmail, imo.im) and, if the site doesn't support them, it can notify new messages or updates detecting changes of the title (e.g. Hotmail, Yahoo, Facebook, Twitter). Even if the browser is minimized!

Rated 4 out of 5 stars (47)
2,595 users

Tab Reloader (Page Reloader) Compatible with Firefox 57+ Featured

An easy-to-use tab reloader with custom reloading time settings for individual tabs

Rated 4 out of 5 stars (33)
4,867 users

Honey Compatible with Firefox 57+ Featured

Automatically find and try coupon codes with 1-click. Works at thousands of stores in the US, Canada, Australia, India and the UK.

Rated 4 out of 5 stars (202)
120,764 users