Top-Rated Extensions

Subscribe

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 (5,499)
14,244,315 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 (985)
15,509 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 (144)
69,463 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 (222)
60,478 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 (63)
839 users

Советник Яндекс.Маркета Compatible with Firefox 57+

Находит низкие цены на товары и авиабилеты

Rated 5 out of 5 stars (18)
24,016 users

flashvideotohtml5 Compatible with Firefox 57+

自动转换优酷视频的Flash站外引用代码到Html5,用于移动端播放。

Rated 5 out of 5 stars (14)
535 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 (1,967)
354,999 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 (252)
38,587 users

lolifox - Fierr MOD Requires Restart

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

Rated 5 out of 5 stars (28)
2,520 users

Ageless for YouTube Compatible with Firefox 57+

Watch age restricted YouTube videos without signing in.

Rated 5 out of 5 stars (58)
9,879 users

New Tong Wen Tang Compatible with Firefox 57+

Traditional and Simplified Chinese Converter

Rated 5 out of 5 stars (20)
3,821 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 (13)
3,383 users

Full Screen for Firefox Compatible with Firefox 57+

Go full screen with one click on the button.

Rated 5 out of 5 stars (67)
2,040 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 (212)
34,785 users

Font Finder (revived) Compatible with Firefox 57+

Get all CSS styles of selected text

Rated 5 out of 5 stars (19)
8,907 users

OneNote Web Clipper Compatible with Firefox 57+

Save anything on the web to OneNote. Clip it to OneNote, organize and edit it, then access it from any device.

Rated 5 out of 5 stars (348)
30,590 users

Open Tabs Next to Current Compatible with Firefox 57+

Open new tabs always to the right of the current one.

Rated 5 out of 5 stars (31)
4,284 users

Drag-Select Link Text Compatible with Firefox 57+

Select link text with easy mouse gestures.

Rated 5 out of 5 stars (34)
1,192 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 (379)
230,970 users