Device Features & Location

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Speed Tweaks (SpeedyFox)

This extension provides a list to almost all the settings that you may need to alter in order to enhance Firefox's speed.

Rated 5 out of 5 stars (78)
28,822 users

about:addons-memory

Adds an about:addons-memory page that details add-on memory usage

Rated 4 out of 5 stars (129)
24,357 users

VPN Unlimited - Private & Secure Web Proxy

Protect your privacy and get unlimited access to your favorite websites worldwide with VPN Unlimited!

Join millions of users who trust VPN Unlimited to keep their data private and secure.

Rated 4 out of 5 stars (144)
15,956 users

Enable Right Click and Copy Compatible with Firefox 57+

Enable selecting, copying and right clicking on pages that restrict them.

Rated 4 out of 5 stars (64)
13,824 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (32)
13,316 users

AccessURL Compatible with Firefox 57+

Share access to websites without giving away your username and password. Share access with an Access URL instead.

Rated 4 out of 5 stars (84)
8,240 users

JSON Lite Compatible with Firefox 57+

Fast JSON viewer - highlights, shows items count/size, handles large files

Rated 4 out of 5 stars (10)
5,594 users

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (18)
5,440 users

Desktop by Default

Enables desktop mode by default.

Rated 4 out of 5 stars (35)
5,056 users

Privacy Coach Featured

Privacy Coach is your one-stop shop to learn about and manage your Firefox for Android privacy settings.

Rated 4 out of 5 stars (22)
4,092 users

External Video Player

Feel free to open any video with your favorite video player! Thanks to this extension you will be able to open online videos with any native video player like VLC, MxPlayer, etc.

Rated 4 out of 5 stars (53)
3,418 users

BingDict

Translate selected text on current web pages.
No need to leave current web pages.
Translate results come from Bing Translate.
Thanks for your support!

Rated 4 out of 5 stars (27)
3,375 users

lolifox - Fierr MOD Requires Restart

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

Rated 5 out of 5 stars (28)
2,837 users

Synology Download Extender

An extension for Synology Download Station.
You can send links to you Synology from context menu or direct input.
Watch the download progress.
Clean the finished tasks.
Works with magnet-links too.

A Synology with Download Station is required.

Rated 4 out of 5 stars (24)
2,783 users

PointMp3 | Download youtube to mp3 Compatible with Firefox 57+

Add a button to Youtube video directly, allowing you to download it's audio content as mp3 file instantly using www.pointmp3.com

Rated 4 out of 5 stars (19)
2,761 users

Google Translation Compatible with Firefox 57+

Translate to your native language a selected text

Rated 5 out of 5 stars (63)
2,724 users

ydwd Compatible with Firefox 57+

调用有道词典的开放接口完成网页内查词和翻译(支持中英互译)。开放源代码:https://github.com/amit-gshe/ydwd

Rated 4 out of 5 stars (7)
1,763 users

Speechify

An add-on to convert your text to speech

Rated 3 out of 5 stars (27)
1,630 users

WebODF

Viewer for OpenDocument Format office files. It can display documents saved from LibreOffice, OpenOffice, Calligra, Abiword, Microsoft Word, Excel, PowerPoint. The documents should be saved in the OpenDocument Format.

Rated 4 out of 5 stars (8)
1,506 users

User Agent Switcher Compatible with Firefox 57+

Easily override the browser's User-Agent string

Rated 5 out of 5 stars (10)
1,304 users