Add extensions, get work done

Find tools to improve your workflow - right within Firefox.

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Word Document Editor

Create and edit Word Doc documents

Open in Reader View

Easily access to the reader-view from right click context menu

Slither.io Mods, Zoom, Unlock Skins, Bots

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

PX: Viewport Dimensions

Displays the viewport dimensions when a browser window is resized.

View Page Source (Mobile)

Adds the ability to open the page source in a new tab via button (Desktop) or menu (Firefox for Android).

Better BTTV

Extend your BTTV experience with new features!

Notion Boost

Boost Notion productivity with features like outline,small text & full width by default,hide comments & help button,bolder text etc

FontARA Font Changer ( for all sites )

Features: ✔ Ability to choose between 10 free Persian fonts; ✔ Use Custom Fonts (Upload any font file and use it); ✔ Built-in support for popular social media and most famous sites ✔ It is completely Open Source; ✔ It is Free of Charge;

Google Images Downloader

Downloads full sized images & Links in Google Images Windows. It is different than other image downloaders since it goes one step inside the links & gets high quality images for you. This addon automatically also filters websites not giving images.

Word Counter

A lite tool for counting characters and words via context-menu

Image Video Block

Blocks or Hides visual elements (Images, Video, Flash, Canvas, SVG).

Tab Unloader for Tree Style Tab

Tab unload options for Tree Style Tab.

Onion Browser Button

Easily browse the internet using TOR proxy with just one click!

Quick JIRA

Quickly opens the JIRA with the corresponding ticket

Window Resizer

Resize the browser window. The resolution list supports customization.

Persistent Video/Audio Volume

This extension enables you to set the video/audio volume for each website separately. - facebook.com - 9gag.com - bandcamp.com - ... and many more

YouTube use Flash Player

Force YouTube to use Flash player over the HTML5 player

Proxy Switcher

Easily switch between multiple proxies via toolbar popup

Save my Password

On some pages, Firefox won't ask you to store your login information. Using this add-on you can force Firefox to remember your password! This add-on is NOT a password manager!

tumblr video downloader and enhancer

+ download to video player; + volume slider; preview supported; Disclaimer: This is not an official Tumblr app.

CustomCSS Injector

- Apply any CSS rules for any websites, including iframes. - Whitelist and Blacklist functionality - Apply CSS rules to specific URLs, Domains or Globally - Syntax highlighting & line numbers - Update without page refresh