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WebVR Plus

Manages browser preferences for optimal WebVR support, avoiding the need to make about:config changes.

Rated 4 out of 5 stars (42)
679 weekly downloads

Pinky Compatible with Firefox 57+

Extension making 'The Settlers Online' collectibles easy to find!

Rated 4 out of 5 stars (46)
632 weekly downloads

Slither.io Mods, Zoom, Unlock Skins, Bots Compatible with Firefox 57+

The Best Mod and Extension for Slither.io! Mod Zoom, Play with Friends, Skins, Custom Skins, Bots

Rated 4 out of 5 stars (3)
461 weekly downloads

Tetris Game

Tetris is a tile-matching puzzle game.

Rated 4 out of 5 stars (51)
448 weekly downloads

Toolbox for Google Play Store™ Compatible with Firefox 57+

Enhances the Google Play Store™ with various features.

The add-on will add optional APKMirror, Android Police, and Appbrain buttons to all Play Store app pages. Additionally, TGPS will tell you if an app you're looking at offers a beta program.

Rated 5 out of 5 stars (28)
356 weekly downloads

Global Twitch Emotes Compatible with Firefox 57+

Twitch culture wherever you go! This extension replaces all Twitch.tv emote phrases with their actual emoticons

Rated 4 out of 5 stars (21)
270 weekly downloads

Youtube design and style

Want to change the background color of Youtube ? Manage your Youtube Interface

Rated 3 out of 5 stars (13)
243 weekly downloads

Games Compatible with Firefox 57+

Easy access to games with one-click from your home and new tab page!

Rated 5 out of 5 stars (11)
190 weekly downloads

Super Mario Browser Compatible with Firefox 57+

Super Mario Bowser is a tribute to Super Mario Bros that turns your Chrome browser in a new fun experience.

Rated 4 out of 5 stars (11)
185 weekly downloads

Flappy Bird New Tab Compatible with Firefox 57+

Play game Flappy Bird when you open a new tab. Try to fly the bird as far as you can without hitting a pipe!

Rated 1 out of 5 stars (1)
168 weekly downloads

DAVIDSOFT APK Downloader Compatible with Firefox 57+

Это расширение поможет вам загрузить файл APK прямо из Google Play Store
Если нет кнопки скачать,просто обновите страницу.
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Download the APK file directly from the Google Play Store
If there is no download button,

Rated 5 out of 5 stars (12)
148 weekly downloads

Export gpx-track from strava.com

Export gpx-track from strava.com

Rated 5 out of 5 stars (7)
135 weekly downloads

TravianTacticsV5Bot

Bot for Travian Kingdoms. Supported features:
-Build
-Trade
-Troop train
-Farm
-Farm Finder
-Farming reports
-Adventures
-Logs

Rated 4 out of 5 stars (9)
135 weekly downloads

More purchase options in Steam Store Compatible with Firefox 57+

Seamlessly integrate alternative purchasing options on game pages. These will link to both Is There Any Deal and the DRM Free alternative GOG

Source code:
https://github.com/michaelpande/firefox-steam-purchase-options

Rated 5 out of 5 stars (10)
123 weekly downloads

SuperSteam

Improving the Steam User Experience by giving the user information that can help make purchase decisions. We display stats about each game on steam on the store page! Super Steam is based on Enhanced Steam by jshackles. This add-on is 100% free.

Rated 4 out of 5 stars (32)
110 weekly downloads

Keen Media Runner (Free) Compatible with Firefox 57+

Install Keen Media Runner to search for your favorite movies and TV shows directly from your search engine, and find LEGAL streaming sources from Netflix, Amazon Prime, Hulu and many more...

Quick link to KEEN.TV - 850+ Live Free TV Channels

Rated 3 out of 5 stars (5)
108 weekly downloads

CSGOFloat Market Checker Compatible with Firefox 57+

Uses the dedicated CSGOFloat API to allow you to retrieve the float values of CS:GO market items directly from the page! Retrieve the "float" and paint seed of market items in one click and when using pagination, the float data is saved!

Rated 4 out of 5 stars (14)
95 weekly downloads

Chess.com Browser Extension Compatible with Firefox 57+

Customize your Chess.com experience with our open-source browser extension.

Interested in contributing? Check out https://github.com/ChessCom/browser-extension

Rated 4 out of 5 stars (10)
83 weekly downloads

GrepolisToolkit, le script ! Compatible with Firefox 57+

Script améliorant l'expérience utilisateur dans le jeu Grepolis.

Rated 4 out of 5 stars (3)
80 weekly downloads

ezpp! Compatible with Firefox 57+

Directly calculate pp for a beatmap in your browser.

Rated 4 out of 5 stars (2)
78 weekly downloads