Top-Rated Extensions

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O'Notes Requires Restart

Notes like in Opera 12

Rated 5 out of 5 stars (27)
613 users

QuickJava Requires Restart

Allows quick enable and disable of Javascript, Cookies, Image Animations, Flash, Silverlight, Images, Stylesheets and Proxy from the Toolbar. This is great for increasing security or decreasing bandwidth. (Read details for info on Java with FF52+!)

Rated 5 out of 5 stars (190)
185,409 users

Sun Cult Requires Restart

Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...

Rated 5 out of 5 stars (105)
2,897 users

Click to Play per-element

Restore "Click to Play" ability of per-element for Firefox 36 and above.

Rated 5 out of 5 stars (74)
5,631 users

Form History Control Requires Restart

Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.

Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.

Control for which webpage form history is saved or not.

Rated 5 out of 5 stars (94)
17,849 users

Rainbow Color Tools Requires Restart

This addon is no longer being updated and won't work with new versions of Firefox. See the Colorzilla addon for a replacement: https://addons.mozilla.org/en-US/firefox/addon/colorzilla/.

Color tools for web development.

Rated 5 out of 5 stars (97)
16,031 users

CantoFish Requires Restart

CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.

Rated 5 out of 5 stars (23)
516 users

Google search link fix Compatible with Firefox 57+ Featured

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 (242)
62,960 users

Bdword English to Bengali Dictionary Requires Restart

Find English to Bengali Meaning by clicking twice on any word.

Rated 5 out of 5 stars (13)
344 users

Sidebars List

Adds drop-down list to switch sidebars

Rated 5 out of 5 stars (13)
519 users

DblClicker

Double-click action for Firefox -
double-click Link, Bookmark/History to open in new tab (emulate ctrl+click).

Rated 5 out of 5 stars (72)
2,463 users

NoSquint Plus

Manage site-specific zoom levels and color settings

Rated 5 out of 5 stars (95)
25,951 users

Classic Bookmarks Button Requires Restart

Mainly for Firefox 29+!

This add-on restores bookmarks menu known from older Firefox versions on Firefox Australis.

Use 'Customize (Toolbar)' menu to place the new bookmarks button on your favorite toolbar.

Rated 5 out of 5 stars (26)
2,747 users

Stylish Sync

Sync engine for Stylish with backup / restore facility.

Rated 5 out of 5 stars (26)
3,162 users

Twitch 5

The player of live broadcasts for the Twitch.tv website.

Rated 5 out of 5 stars (26)
1,613 users

Baidu Tieba Harmonizer Requires Restart

A simple tool designed to circumvent Baidu Tieba's censorship.

Rated 5 out of 5 stars (16)
1 user

百度广告屏蔽 Compatible with Firefox 57+

屏蔽百度线上产品页面广告(搜索、新闻、贴吧、知道、音乐、图片、视频、文库等),点击扩展图标打开(如果已打开则切换到)百度页面,可当书签用,省去每次输入地址的麻烦。

Rated 5 out of 5 stars (16)
2,618 users

t5m.co URL Shortener

Shorten url with t5m.co URL Shortener

Rated 5 out of 5 stars (29)
48 users

Ageless for YouTube Compatible with Firefox 57+

Watch age restricted YouTube videos without signing in.

Rated 5 out of 5 stars (61)
10,343 users

Ecosia — The search engine that plants trees!

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 Ecosia.org as the default search engine to your Firefox. Give it a try!

Rated 5 out of 5 stars (154)
236,208 users