Device Features & Location



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

Rated 4 out of 5 stars (125)
29,509 users

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 4 out of 5 stars (32)
24,583 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 (24)
10,902 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (22)
8,682 users

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (2)
6,651 users

Privacy Coach Featured

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

Rated 5 out of 5 stars (9)
5,670 users

Desktop by Default

Enables desktop mode by default.

Rated 4 out of 5 stars (28)
5,458 users

lolifox - Fierr MOD Requires Restart

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

Rated 5 out of 5 stars (24)
3,460 users


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 3 out of 5 stars (9)
3,088 users


An add-on to convert your text to speech

Rated 4 out of 5 stars (22)
2,557 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 (8)
2,070 users


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 5 out of 5 stars (6)
1,882 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 5 out of 5 stars (2)
1,431 users

Log Me In (e10s compatible Secure Login)

An elegant in-page login manager similar to Opera's Wand login (Android and e10s Friendly).

Rated 4 out of 5 stars (10)
1,078 users

Memory Optimizer

An add-on to Optimize Memory easily and perform Free memory operations without visiting about:memory. The best Memory Optimizer!

Not yet rated
1,002 users

PointMp3 | Download youtube to mp3

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

Rated 5 out of 5 stars (1)
759 users

Rocket.Chat Screen Share

Enable screen sharing for Rocket.Chat

Not yet rated
681 users

ColorfulTabs Candy

Tab Candy makes your Firefox browser a thing of beauty and elegance, differentiating each open tab with a color which helps distinguish your browsing so you always know which tab you want to select.

Rated 4 out of 5 stars (4)
423 users

User Agent Switcher (Firefox)

Switches the User Agent string of the Firefox Browser on the requested webpage when set to on to the requested User Agent string.

Rated 2 out of 5 stars (4)
421 users

SYSTRAN - Translator and Dictionary

SYSTRAN Extension can translate any webpage in one click.

Rated 4 out of 5 stars (2)
250 users