Top-Rated Extensions

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Content Farm Blocker Compatible with Firefox 57+

Preventing to open content farm by mistake

Rated 5 out of 5 stars (12)
1,144 users

Fixed Toolbar

For those who hate auto-hiding toolbars.

Rated 5 out of 5 stars (17)
876 users

CanvasBlocker

Blocks the JS-API for modifying <canvas> to prevent Canvas-Fingerprinting.</canvas>

Rated 5 out of 5 stars (40)
17,766 users

Who is Hosting this Website? Compatible with Firefox 57+

Who is Hosting This Website is a free Add-on service for telling you- where websites are being hosted. "Who is Hosting this Website?" will also determine and display the IP address, DNS records and domain name ownership information (Whois Records).

Rated 5 out of 5 stars (12)
391 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 (83)
14,500 users

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 (12)
2,030 users

Full Screen for Firefox Compatible with Firefox 57+

Go full screen with one click on the button.

Rated 5 out of 5 stars (70)
2,151 users

Dorando keyconfig Requires Restart

A modified Dorando's addon to rebind keyboard shortcuts. It is designed to be a drop-in replacement, keeping your old settings. (See details for upgrade instructions.)

As of version 2016.2, Custom keys (using custom JavaScript) work again!

Rated 5 out of 5 stars (27)
9,239 users

Советник Яндекс.Маркета Compatible with Firefox 57+

Находит низкие цены на товары и авиабилеты

Rated 5 out of 5 stars (22)
24,787 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 (17)
585 users

Remote XUL Manager

Manages the Remote XUL whitelist to allow websites and local files to load XUL content. For versions compatible with Firefox 41 and lower, see All Versions page below.

Rated 5 out of 5 stars (37)
75,070 users

Youtube Watchmarker Compatible with Firefox 57+

Automatically mark videos on Youtube that you have already watched.

Rated 5 out of 5 stars (19)
1,110 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 (39)
51,211 users

Give as you Live Donation Reminder Compatible with Firefox 57+

Give as you Live is a way to raise free funds for charity, just by shopping online. You can support any of the 200,000+ charities in the UK and shop with over 4,000 leading stores - including Amazon, eBay, John Lewis and Expedia.

Rated 5 out of 5 stars (9)
1,655 users

HDS Link Detector

This add-on automatically detects the HDS videos being played in browser and generates proper command line required for downloading videos with AdobeHDS.php script.

Rated 5 out of 5 stars (21)
4,376 users

uBlock Origin Featured

Finally, an efficient blocker. Easy on CPU and memory.

Rated 5 out of 5 stars (2,192)
3,710,713 users

Simple Gmail Notes Compatible with Firefox 57+

Add notes to email threads in Gmail.

Rated 5 out of 5 stars (14)
315 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 (33)
4,353 users

Tecaj Compatible with Firefox 57+

Tečaj i kalkulator valuta, podaci sa hnb.hr. Izvorni kod ekstenzije dostupan na https://github.com/antonio-bakula/tecaj-webextension

Rated 5 out of 5 stars (11)
26 users