Search for the perfect color via an stylish color picker in a popup.

Displays markdown documents beautified in your browser.

Take screenshots from YouTube Videos & YouTube Shorts. The addon adds screenshot button & also enables Shift+A shortcut.

Simplifies the GitHub interface and adds many useful features.

Extension that sets a custom default zoom for all pages in Firefox.
You can set a general zoom for all pages or custom rules depending on the site.

Non linked URL open with double click.
and
Google translate.

Save current page as PDF.
Very simple. No permissions, no third-party server. Uses only built-in Firefox converter.
Works on Windows and Linux, not on Mac.

Shows country flag based on the server location of the active tab's url

Quick Dial, a speed dial page inspired from fast dial. Full Open Source, No Web Service, No Cloud Account, your data is your own.

A lightweight addon that adds a Toggle button in URL bar, for toggling JavaScript (on or off) individually per domain, and stores that for future visit. Works also with Firefox 57+.

Automatically change Firefox's theme based on the time.

Zoom in or out on web content using the zoom button and mouse scroll wheel for more comfortable reading. That to each percent value. It helps you to zoom easily in and out a web page. Thanks to the slider and the zoom buttons.

Intercept downloads for Download Master, download a file or a group of files from the context menu.

Scan and decode QR Code. Internet is not required.

Panorama Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs and switch between groups.

Panorama Tab Groups is a updated fork of Panorama View.

Easy and quick search for books, music, videos in torrents.

Provides control over Flash contents

Replaces thumbnails and modifies titles of videos on youtube.com and m.youtube.com

Right-click selected text to copy the URL of any links it contains.

Easily draw on any website with simple drawing tools, then print the result.

Copy All Tab Urls

View ePUB files right in your browser in a popup window.

It is a Firefox addons that will check web content and convert to Unicode encoded text if they are Zawgyi. It use Parabaik Converter and Myanmar Font Tagger Script(by Ko Thant Thet Khin Zaw).

Saves the current page as image file or copies it to clipboard.

Easily adjust various sound settings (volume, balance, etc.) via toolbar popup.

Stylish timer combined with stopwatch and alarm for your browser.

Generate QR Code from the url of current page, link or selected text. And decode QR Code in image.

Permanent web text highlighter

Opens all PDF files directly in the browser.

Easily set the layout (size & position) of your browser window