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FoxyProxy Standard 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 (358)
294.391 người dùng294.391 người dùng

Capture & Print No Restart Nên dùng

This add-on lets you print a webpage's area easily.

Rated 5 out of 5 stars (51)
49.865 người dùng49.865 người dùng

AdBlock for YouTube™ No Restart Nên dùng

AdBlock for YouTube™ removes all annoying Ads from YouTube

Rated 4 out of 5 stars (32)
307.762 người dùng307.762 người dùng

User-Agent Switcher No Restart Nên dùng

Quickly and easily switch between popular user-agent strings.

Rated 4 out of 5 stars (26)
54.072 người dùng54.072 người dùng

Smart HTTPS No Restart Nên dùng

Automatically changes HTTP addresses to the secure HTTPS, and if loading encounters error, reverts it back to HTTP.

Rated 4 out of 5 stars (18)
19.785 người dùng19.785 người dùng

Omnibar Nên dùng

Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.

Rated 4 out of 5 stars (473)
38.401 người dùng38.401 người dùng

YouTube Enhancer Plus Nên dùng

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

Rated 5 out of 5 stars (115)
75.130 người dùng75.130 người dùng

QR Code Image Generator No Restart Nên dùng

Create a QR Code of the selected text or current URL. Use CTRL-SHIFT-Q to quickly see the QR Code. Also possible to create a QR Code from free text within Firefox. Works completely offline! Now with UTF8 support.

Rated 4 out of 5 stars (23)
18.357 người dùng18.357 người dùng

gtranslate No Restart Nên dùng

With gtranslate you can translate any text in a web page just by selecting and right-clicking over it. The extension uses the Google translation services to translate the text.

Rated 4 out of 5 stars (513)
82.372 người dùng82.372 người dùng

HTTPS Everywhere Nên dùng

Encrypt the web! HTTPS Everywhere is a Firefox extension to protect your communications by enabling HTTPS encryption automatically on sites that are known to support it, even when you type URLs or follow links that omit the https: prefix.

Rated 4 out of 5 stars (81)
194.903 người dùng194.903 người dùng

User Agent Switcher Nên dùng

The User Agent Switcher extension adds a menu and a toolbar button to switch the user agent of a browser.

Rated 4 out of 5 stars (264)
354.772 người dùng354.772 người dùng

Master Password+ 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 (128)
24.282 người dùng24.282 người dùng

iMacros for Firefox Nên dùng

Automate Firefox. Record and replay repetitive tasks. If you're tired of manually visiting the same sites, filling out forms, downloading files and extracting data, then iMacros is for you! Save time, effort and money with iMacros browser automation!

Rated 4 out of 5 stars (395)
438.924 người dùng438.924 người dùng

Google Translate Anywhere No Restart Nên dùng

Dictionary (Google Translate) Anywhere provides access to a floating multilingual Google Translate panel on any webpage.

Rated 4 out of 5 stars (27)
11.069 người dùng11.069 người dùng

Saved Password Editor Nên dùng

Thêm tính năng tạo và thay đổi các mật khẩu trong cửa sổ quản lý mật khẩu.

Rated 5 out of 5 stars (227)
94.476 người dùng94.476 người dùng

Free Memory No Restart Nên dùng

An add-on to perform free-memory operations without visiting about:memory.
For Firefox 40+, try Free Memory 2.0 https://addons.mozilla.org/en-US/firefox/addon/free-memory-20/

Rated 4 out of 5 stars (55)
22.985 người dùng22.985 người dùng

Tab notifier Nên dùng

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 (43)
5.547 người dùng5.547 người dùng

Tab Groups No Restart 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 (402)
104.557 người dùng104.557 người dùng

Forecastfox (fix version) Nên dùng

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 5 out of 5 stars (205)
64.455 người dùng64.455 người dùng

YouTube No Buffer (Stop Autoplaying) No Restart Nên dùng

A bulletproof approach to prevent YouTube from buffering videos

Rated 4 out of 5 stars (9)
9.572 người dùng9.572 người dùng