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Duplicate Tabs Closer Nên dùng

Detects and automatically closes duplicate tabs.

Rated 4 out of 5 stars (48)
6.380 người dùng6.380 người dùng

YouTube Enhancer Plus Requires Restart Nên dùng

Improve your watching experience! Ad Blocker, Autoplay Manager, Auto HD, Auto Replay, Cinema Mode, and more.

Rated 5 out of 5 stars (117)
32.751 người dùng32.751 người dùng

Speed Dial (Lite) Compatible with Firefox 57+ Nên dùng

Access to your favorite websites via an stylish speed dial!

Rated 3 out of 5 stars (13)
2.499 người dùng2.499 người dùng

Classic Toolbar Buttons Nên dùng

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions.

Beta builds on versions page!

Rated 5 out of 5 stars (132)
29.826 người dùng29.826 người dùng

Wikipedia Peek Compatible with Firefox 57+ Nên dùng

Shows previews of linked articles on Wikipedia pages.

Rated 4 out of 5 stars (16)
1.683 người dùng1.683 người dùng

Bluhell Firewall Nên dùng

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Rated 4 out of 5 stars (422)
70.655 người dùng70.655 người dùng

Copy Plain Text 2 Requires Restart Nên dùng

Copies text without formatting

Rated 5 out of 5 stars (83)
32.361 người dùng32.361 người dùng

Pearltrees Nên dùng

Pearltrees lets you organize all your interests.

Rated 5 out of 5 stars (250)
10.575 người dùng10.575 người dùng

AdBlocker for YouTube™ Compatible with Firefox 57+ Nên dùng

AdBlocker for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (70)
264.908 người dùng264.908 người dùng

CookieKeeper Nên dùng

Extended Cookie Manager - Keep only wanted cookies.

Rated 4 out of 5 stars (68)
11.345 người dùng11.345 người dùng

Bloody Vikings! Nên dùng

Simplifies the use of temporary e-mail addresses in order to protect your real address from spam. Supports inter alia and

Rated 5 out of 5 stars (62)
12.198 người dùng12.198 người dùng

Ecosia — The search engine that plants trees! Nên dùng

Ecosia is a search engine that donates 80% of its surplus income to planting trees. By searching with Ecosia you can help the environment for free.
This extension adds as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (153)
207.561 người dùng207.561 người dùng

Google search link fix Compatible with Firefox 57+ Nên dùng

This extension prevents Google and Yandex search pages from modifying search result links when you click them. This is useful when copying links but it also helps privacy by preventing the search engines from recording your clicks.

Rated 5 out of 5 stars (224)
60.398 người dùng60.398 người dùng

Web Clipper: Easy Screenshot Nên dùng

Easy Screenshot is an easy to use screen capture tool. Simply press one of the context menu items to capture entire or a portion of your screen.

Rated 4 out of 5 stars (30)
9.473 người dùng9.473 người dùng

Tab notifier Compatible with Firefox 57+ Nên dùng

Enables desktop notifications like in Chrome (e.g. Gmail, 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 (46)
2.519 người dùng2.519 người dùng

BetterPrivacy-signed Requires Restart Nên dùng

Control a new, trickier kind of cookie, better known as an LSO or Flash cookie. The BetterPrivacy safeguard offers various ways to handle Flash-cookies created by webpages with the help of your Flash plug-in...

Rated 5 out of 5 stars (431)
317.780 người dùng317.780 người dùng

Font Finder Requires Restart Nên dùng

FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.

Rated 4 out of 5 stars (75)
27.128 người dùng27.128 người dùng

YouTube™ Control Center Nên dùng

YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.

Rated 4 out of 5 stars (64)
9.332 người dùng9.332 người dùng

Tab Groups Nên dùng

Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.

Rated 5 out of 5 stars (688)
90.350 người dùng90.350 người dùng

FireGestures Requires Restart Nên dùng

A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.

Rated 4 out of 5 stars (874)
280.199 người dùng280.199 người dùng