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1-Click Shorten URL Compatible with Firefox 57+

Click to shorten any URL with one click.

Rated 5 out of 5 stars (53)
502 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 (283)
37,760 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 (17)
3,040 users

Vue.js devtools Compatible with Firefox 57+

DevTools extension for debugging Vue.js applications.

Rated 5 out of 5 stars (28)
7,715 users

1-Click Youtube Repeat (with Play Counter) Compatible with Firefox 57+

Click to repeat any Youtube video and keep track of total plays.

Rated 5 out of 5 stars (45)
357 users

Font Finder (revived) Compatible with Firefox 57+

Get all CSS styles of selected text

Rated 5 out of 5 stars (26)
11,810 users

AntiGameOrigin v6

AntiGameOrigin - the other OGame experience for all communities.

Rated 5 out of 5 stars (23)
10,478 users

Unblock Facebook Chat on mobile devices Compatible with Firefox 57+

This add-on is for the Android version of FIrefox only!
It unblocks the Facebook Chat inside your browser so that you don't need to install the Facebook Messenger anymore.

Rated 5 out of 5 stars (17)
307 users

lolifox - Fierr MOD Requires Restart

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

Rated 5 out of 5 stars (32)
2,304 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 (18)
616 users

xStyle Compatible with Firefox 57+

Restyle the web with xStyle, a user styles manager. With xStyle you can install themes & skins for many sites and create your own.

Rated 5 out of 5 stars (12)
266 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 (32)
10,000 users

Fixed Toolbar

For those who hate auto-hiding toolbars.

Rated 5 out of 5 stars (17)
780 users

Simple Gmail Notes Compatible with Firefox 57+

Add notes to email threads in Gmail.

Rated 5 out of 5 stars (17)
391 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)
522 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. Make donation for us http://www.paypal.me/hoangthanh. Thank you!

Rated 5 out of 5 stars (107)
7,533 users

ScrollAnywhere Compatible with Firefox 57+

Grab and drag your scrollbar with your middle mouse button anywhere on the page.

Features also:
- "grab and drag" - phone like scroll style
- The Momentum - including infinite scroll

Warning: very addictive! :)

www.FastAddons.com

Rated 5 out of 5 stars (37)
896 users

Restart

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

Rated 5 out of 5 stars (93)
26,421 users

Copy PlainText Compatible with Firefox 57+

Copy Plain Text without any formatting

Rated 5 out of 5 stars (8)
1,957 users