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Image Video Block

Blocks Images and Hides VIDEO, FLASH, SVG and CANVAS elements. Does NOT download images.

Rated 4 out of 5 stars (3)
2,656 users

ScrollyFox Requires Restart

This is a basic FireFox extension which simply scrolls the page down (and optionally up again) automatically at an adjustable rate.

Rated 4 out of 5 stars (59)
8,509 users

Dark Mode (WebExtension)

A global dark theme for the web

Rated 5 out of 5 stars (15)
2,923 users

Show Profile Requires Restart

Display profile hint on window title or customized locations (with or without individual icon).

Rated 4 out of 5 stars (15)
10,624 users

UI Eraser

Hide Firefox User Interface.

Rated 5 out of 5 stars (16)
7,637 users

Full Screen for Firefox

Go full screen with one click on the button.

Rated 5 out of 5 stars (11)
986 users

Text Contrast for Dark Themes

Fixes low-contrast text when using a dark desktop theme.

Rated 5 out of 5 stars (17)
1,447 users

Ultrawidify

Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit wider displays (e.g. 21:9)

Rated 5 out of 5 stars (12)
1,432 users

Twitter Web - Night Mode

Android/iOS like night mode for twitter web app. Enable or disable it at the click of a button.

Rated 5 out of 5 stars (15)
1,903 users

Dark TwitchTV

A Dark Theme for TwitchTV

Rated 5 out of 5 stars (4)
1,479 users

NewScrollbars (aka NoiaScrollbars) Requires Restart

The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

Rated 5 out of 5 stars (90)
19,330 users

customize_titlebar_v2 Requires Restart

Customize FireFox title bar (window title) that is useful for software such as KeyPass for automating log on to various websites based on specific domain, URL, etc.

Rated 4 out of 5 stars (14)
7,230 users

JSON Lite

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

Rated 4 out of 5 stars (9)
4,640 users

Ace Stream Web Extension Requires Restart

User Script Manager for Ace Stream desktop software

Rated 2 out of 5 stars (7)
11,946 users

YouTube use Flash Player

Force YouTube to use Flash player over the HTML5 player

Rated 5 out of 5 stars (39)
5,914 users

Dark Theme for YouTube™

A Dark and Smooth Theme for YouTube™.

Rated 4 out of 5 stars (15)
4,830 users

TextMarker Go Requires Restart

Allows to highlight the selected text.
1) three customizable colors for highlight
2) highlight functions as bookmarks
3) hotkeys for highlight selected text, remove highlights, and jump to highlighted text.

Rated 4 out of 5 stars (41)
3,626 users

Emoji Keyboard (2016) by EmojiOne™

The must-have emoji extension of 2016! The easiest way to search, 1-click copy & paste, or auto-input emoji anywhere in Firefox.

Rated 3 out of 5 stars (18)
1,283 users

AdBusters - AdBlocker + Ad-O-Meter

- Really ad-free, no deals with advertisers
- Ad-O-Meter shows you how ad-heavy a page is before you open it
- Includes preconfigured anti-adblock-killers and stealth mode
- Easily installed in three clicks no need to sign-up or register

Rated 4 out of 5 stars (3)
1,159 users

Invert Colors

A simple FireFox add-on that inverts the web page colors to make pages easier to read in darker settings.

Github repo: https://github.com/Max-Github/FireFoxInvertColors

Rated 4 out of 5 stars (10)
1,466 users