Top-Rated Extensions

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YouTube Plus

YouTube with more freedom.

Rated 5 out of 5 stars (77)
25,506 users

Adblock Plus

Blocks annoying video ads on YouTube, Facebook ads, banners and much more.

Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).

Rated 5 out of 5 stars (5,031)
18,735,479 users

Google search link fix

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 (175)
77,946 users

Aliexpress Shopping Assistant

1. Find the same products.
2. Historical price.
3. Show App's price.
4. Analyze seller.
5. Shortcuts visit Aliexpress

Rated 5 out of 5 stars (810)
16,492 users

Magic Actions for YouTube™

Enhance your YouTube watching experience! Auto HD, Ad Block, Cinema Mode, Mouse Wheel Volume Control, Screenshot...

Rated 5 out of 5 stars (150)
41,320 users

Decentraleyes Featured

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Rated 5 out of 5 stars (90)
76,805 users

AdBlocker Ultimate

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 (1,198)
407,884 users

Dark Background and Light Text

Makes every page (or only pages that you want) to have light text on dark background. Exact colors are customizable.

Rated 5 out of 5 stars (152)
41,294 users

Extension Auto-Installer

Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.

Rated 5 out of 5 stars (21)
3,403 users

Restart

"Restart" menu and button, with configurable shortcut key.

Rated 5 out of 5 stars (65)
28,601 users

lolifox - Fierr MOD Requires Restart

Replaces the error page with a lolifox appearance with additional features.

Rated 5 out of 5 stars (26)
3,439 users

Enhancer for YouTube™

One of the best extensions for YouTube™. All the features you need to make YouTube™ more awesome!

Rated 5 out of 5 stars (56)
42,108 users

Gutscheine-Live.de Vouchers

Mit dem Gutscheinfinder von Gutscheine-Live.de verpassen Sie keine Gutscheine mehr. Sobald Sie einen Shop betreten, zu dem ein Gutschein oder eine Sonderaktion in unserem System hinterlegt ist, werden Sie automatisch benachrichtigt.

Rated 5 out of 5 stars (65)
1,218 users

Ageless for YouTube

Watch age restricted YouTube videos without signing in.

Rated 5 out of 5 stars (50)
11,964 users

Советник Яндекс.Маркета

Находит нужные вам товары и услуги по более выгодной цене

Rated 5 out of 5 stars (15)
18,957 users

Hoxx VPN Proxy

Hoxx VPN Proxy service to unblock blocked websites, hide your location and encrypt your connection. Completely free.

Rated 5 out of 5 stars (1,828)
146,124 users

GitHub Extension Installer

Install Browser Extensions straight from GitHub Repositories

Rated 5 out of 5 stars (17)
2,716 users

Font Finder (revived)

Get all CSS styles of selected text

Rated 5 out of 5 stars (11)
7,304 users

Toggle Mixed Active Content

An icon that toggles the preference of blocking mixed active content.
Preference Name: security.mixed_content.block_active_content

Rated 5 out of 5 stars (11)
4,499 users

Toggle animated GIFs

Start/stop GIF animations through a keyboard shortcut or by clicking them. You can also restart animations from the beginning, or disable animations by default.

Rated 5 out of 5 stars (82)
17,944 users