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User-Agent Switcher Nên dùng

Quickly and easily switch between popular user-agent strings.

Rated 4 out of 5 stars (32)
70.054 người dùng70.054 người dùng

Video Downloader Prime Nên dùng

Easily download most popular video formats.

Rated 4 out of 5 stars (32)
48.689 người dùng48.689 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 (522)
109.338 người dùng109.338 người dùng

Integrated Inbox for Gmail and Google Apps Nên dùng

Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.

Install now or visit for more info.

Rated 5 out of 5 stars (262)
11.412 người dùng11.412 người dùng

Beyond Australis Nên dùng

Australis was the code name for the current Firefox theme, it aimed to make a great browser look awesome. Now you can go one step further and also make it feel awesome to use!

Rated 5 out of 5 stars (315)
37.696 người dùng37.696 người dùng

YouTube No Buffer (Stop Autoplaying) Nên dùng

A bulletproof approach to prevent YouTube from buffering videos

Rated 4 out of 5 stars (21)
14.135 người dùng14.135 người dùng

Google search link fix 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 (144)
75.803 người dùng75.803 người dùng

SearchWP Requires Restart Nên dùng

Jump-to-word buttons and highlighting for the search box content

Rated 5 out of 5 stars (147)
20.217 người dùng20.217 người dùng

Clear Console Requires Restart Nên dùng

One click to clear your cache, cookies, history, html5/local storage, http logins, all of them or restart your browser with/without notifications.

Rated 4 out of 5 stars (68)
24.863 người dùng24.863 người dùng

Tab notifier 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 (47)
4.467 người dùng4.467 người dùng

New Tab Override (browser.newtab.url replacement) Nên dùng

This add-on brings back the ability to change the page which is shown when opening a new tab.

Rated 5 out of 5 stars (142)
90.588 người dùng90.588 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 (452)
466.861 người dùng466.861 người dùng

New Tab Tools Nên dùng

Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...

Rated 4 out of 5 stars (231)
45.266 người dùng45.266 người dùng

Webmail Ad Blocker Nên dùng

Expand your email area by blocking and removing ads on the right hand side of the screen when using Gmail, Hotmail, and Yahoo Mail.

Rated 4 out of 5 stars (209)
98.283 người dùng98.283 người dùng

Master Password+ Requires Restart Nên dùng

Various enhancements for build-in "master password" (MP)
-Locks master security device on demand or after specified time
-Prompts for MP on browser startup
-Suppresses all or duplicate MP prompts
-Locks up entire application or individual windows

Rated 4 out of 5 stars (134)
24.471 người dùng24.471 người dùng

Prevent Tab Overflow Nên dùng

Make sure your tabs stay visible all the time.

Rated 5 out of 5 stars (59)
11.143 người dùng11.143 người dùng

FoxyProxy Standard Requires Restart Nên dùng

FoxyProxy is an advanced proxy management tool that completely replaces Firefox's limited proxying capabilities. For a simpler tool and less advanced configuration options, please use FoxyProxy Basic.

Rated 4 out of 5 stars (367)
268.281 người dùng268.281 người dùng

Google™ Translator Nên dùng

Google™ Translator is a handy multi-language translator built on top of Google Translate. It gives you Google Translate UI feel right on your Firefox toolbar.

Rated 4 out of 5 stars (139)
83.011 người dùng83.011 người dùng

Private Tab Nên dùng

Adds private tabs.

Rated 5 out of 5 stars (233)
67.543 người dùng67.543 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 (76)
35.443 người dùng35.443 người dùng