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 4 out of 5 stars (52)
28,606 users

about:addons-memory

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

Rated 4 out of 5 stars (131)
28,182 users

about:addons-memory 2016

Adds a new page that shows add-on memory usage

Rated 5 out of 5 stars (28)
14,486 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 (65)
13,806 users

Enable Right Click and Copy

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

Rated 4 out of 5 stars (49)
11,517 users

AccessURL

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

Rated 4 out of 5 stars (53)
7,476 users

No need flash plugin on embeded youtube movies

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (9)
6,202 users

Desktop by Default

Enables desktop mode by default.

Rated 4 out of 5 stars (29)
5,312 users

JSON Lite

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

Rated 4 out of 5 stars (8)
5,132 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 (14)
4,628 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 (22)
3,753 users

lolifox - Fierr MOD Requires Restart

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

Rated 5 out of 5 stars (26)
3,191 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 (23)
3,123 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 (18)
3,039 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 www.pointmp3.com

Rated 4 out of 5 stars (10)
2,612 users

Google Translation

Translate to your native language a selected text

Rated 5 out of 5 stars (32)
2,033 users

Speechify

An add-on to convert your text to speech

Rated 3 out of 5 stars (26)
1,995 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)
1,736 users

Log Me In (e10s compatible Secure Login)

An elegant in-page login manager similar to Opera's Wand login (Android and e10s Friendly). For Firefox > 51, try my WebExtension implementation: https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/

Rated 4 out of 5 stars (18)
1,286 users

Memory Optimizer

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

Rated 4 out of 5 stars (3)
861 users