Firebug integrates with Firefox to put a wealth of development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page...
An extension that adds direct links to download YouTube videos as MP4 and FLV. It has a simple interface and it downloads videos directly from YouTube. The extension integrates with YouTube's interface and adds a download button below the player.
Flash Video Downloader helps you download any video (flv, mp4, HD) from YouTube, Facebook, Break, Metacafe and more in one click. You can download mp3, music (iPod), avi and more. Download Flash games. Download Helper. 4K download.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
A customizable mouse gestures extension which enables to execute various commands and user scripts with six types of gestures.
This is an official Amazon extension for Firefox. Amazon Assistant helps you make better shopping decisions by showing product comparisons at thousands of retail sites. By installing you agree to the Conditions of Use at amazon.com/gp/BIT/TOU.
This is an official Amazon extension for Firefox. Amazon Assistant helps you make better shopping decisions by showing product comparisons at thousands of retail sites. By installing you agree to the Conditions of Use at amazon.com/gp/BIT/TOU.
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
Personas (now known as lightweight themes) are free, easy-to-install 'skins' for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
IE Tab - an extension from Taiwan, features: Embedding Internet Explorer in tabs of Mozilla/Firefox...
NOTE: Users should be aware that this add-on represents an older fork. The original developer of uBlock is continuing to actively develop the newer fork uBlock Origin.
Grammarly’s free spelling and grammar checker ensures that everything you type is easy to read, effective, and mistake-free. As you type, Grammarly underlines spelling mistakes and grammatical errors and helps you fix them on the fly.
1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!
1) Screen capture web pages.
2) Selected regions.
3) Whole browser windows.
Edit screenshots and save the images to either local file or Google Drive. Annotate screenshots in a very user-friendly interface with different tools. Upload and share!
Download youtube videos as mp3/mp4/ogg/webm fast and easy! Adding mirrors everyday to decrease any downtime! We monitor comments and work to fix any problems as soon as possible!
Tab Groups are an easy way to organize a lot of tabs. You can visually group related tabs, switch between groups, and quickly search through all of your tabs to switch to a specific one.