Top-Rated Extensions

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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 (5,145)
17,185,566 users

Aliexpress Shopping Assistant Compatible with Firefox 57+

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 (892)
18,990 users

Enhancer for YouTube™ Compatible with Firefox 57+

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

Rated 5 out of 5 stars (76)
41,265 users

Turn Off the Lights Compatible with Firefox 57+

The entire page will be fading to dark, so you can watch the video as if you were in the cinema.

Rated 5 out of 5 stars (279)
59,586 users

Google search link fix Compatible with Firefox 57+

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 (199)
73,611 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 (117)
78,111 users

Youtube Dark Mode Compatible with Firefox 57+

Switch youtube to dark mode. Dark mode will help devices save battery and useful for your sleeping. This dark mode is supported by https://www.emojionline.org

Rated 5 out of 5 stars (71)
1,575 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 (1,581)
402,114 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 (181)
44,626 users

Magic Actions for YouTube™ Compatible with Firefox 57+

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

Rated 5 out of 5 stars (215)
44,192 users

Full Screen for Firefox Compatible with Firefox 57+

Go full screen with one click on the button.

Rated 5 out of 5 stars (26)
1,479 users

Gutscheine-Live.de Vouchers Compatible with Firefox 57+

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 (66)
1,107 users

Ageless for YouTube Compatible with Firefox 57+

Watch age restricted YouTube videos without signing in.

Rated 5 out of 5 stars (53)
11,614 users

Keepa.com - Amazon Price Tracker Compatible with Firefox 57+

→ Price History charts
→ Price Drop & Availability Alerts
→ Daily Drops, an overview of recent price drops
→ Huge frequently updated product database
→ Supports Amazon .com | .co.uk | .de | .co.jp | .fr | .ca | .cn | .it | .es | .in | .mx | .br

Rated 5 out of 5 stars (31)
52,773 users

lolifox - Fierr MOD Requires Restart

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

Rated 5 out of 5 stars (27)
3,136 users

Simple YouTube MP3 Button Compatible with Firefox 57+

Adds a small and simple button to YouTube videos that allows you to quickly download the audio of the video as an MP3 file (quality of the MP3 is as high as the video offers) without having to leave the page.

Rated 5 out of 5 stars (64)
49,531 users

Restart

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

Rated 5 out of 5 stars (74)
28,436 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 (12)
4,334 users

Porn Blocker

Blocks access to websites with adult content. The easiest way to protect your children and your family against porn.

Rated 5 out of 5 stars (56)
6,201 users

Adguard AdBlocker

Unmatched adblock extension against advertising and pop-ups. Blocks ads on Facebook, Youtube and all other websites.

Rated 5 out of 5 stars (327)
268,561 users