Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseFeatured Extensions
Sort by:
Turn Off the Lights
Featured
The entire page will be fading to dark, so you can watch the video as if you were in the cinema.
This add-on is not compatible with your version of Firefox because of the following:
FindBar Tweak
No Restart
Featured
Anything between simple tweaks such as placing the findbar in the top corner, to the powerful "Find in All Tabs" tool, FindBar Tweak will make your find toolbar "just right"!
This add-on is not compatible with your version of Firefox because of the following:
TableTools2 - Copy/Sort/Chart/Filter Table&More!
Featured
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
This add-on is not compatible with your version of Firefox because of the following:
QrCodeR
No Restart
Featured
Encode selection, links and images to QrCode with right-click.
This add-on is not compatible with your version of Firefox because of the following:
PriceBlink - Automatic Price Comparison & Coupons
No Restart
Featured
**About 2012 Reader’s Choice Award: Best Browser Addon**
Automatically finds lower prices and money-saving coupons from thousands of retailers while you shop. PriceBlink stays hidden until you are shopping. US and UK.
Demo: youtu.be/UKxMx5bT-QM
This add-on is not compatible with your version of Firefox because of the following:
Empty Cache ButtonThis add-on is not compatible with your version of Firefox because of the following:
Video Resumer
No Restart
Featured
Automatically resumes YouTube videos from where you played them last. Without this extension, for example, when you click through YouTube videos, back and forth, they always start from the beginning.
This add-on is not compatible with your version of Firefox because of the following:
Gmail™ Notifier Plus
No Restart
Featured
Gmail™ Notifier Plus alerts you of new email messages. Users can also read or reply to emails, delete or mark them as read, all without having to open a new window.
This add-on is not compatible with your version of Firefox because of the following:
Form History Control
Featured
Manage form history entries (search, edit, cleanup, export/import) and easy text formfiller.
Auto-save text entered in any form while typing to allow fast recovery when disaster strikes.
Control for which webpage form history is saved or not.
This add-on is not compatible with your version of Firefox because of the following:
Cleanest Addon ManagerThis add-on is not compatible with your version of Firefox because of the following:
PearltreesThis add-on is not compatible with your version of Firefox because of the following:
Wired-Marker
Featured
Wired-Marker(http://www.wired-marker.org/en/) is a permanent (indelible) highlighter that you use on Web pages. The highlighter, which comes in various colors and styles, is a kind of electronic bookmark that serves as a guide when you revisit a Web ...
This add-on is not compatible with your version of Firefox because of the following:
YouTube High Definition
No Restart
Featured
YouTube High Definition is a powerful tool that will let you automatically play all YouTube videos in HD (High Definition), turn off annotations, change video player size, auto stop videos, auto mute videos, control embedded videos and much more.
This add-on is not compatible with your version of Firefox because of the following:
CoolPreviews
Featured
Browse faster—Preview links and images without leaving your current page or tab. Just mouseover any link and a preview window appears to display the content.
This add-on is not compatible with your version of Firefox because of the following:
YouTube ALL HTML5
No Restart
Featured
Play all videos on youtube without flash in your preferred size using only HTML5.
This add-on is not compatible with your version of Firefox because of the following:
EPUBReader
Featured
With EPUBReader you can read ePub files just in Firefox. No additional software needed!
This add-on is not compatible with your version of Firefox because of the following:
Pray Times!This add-on is not compatible with your version of Firefox because of the following:
Download YouTube Videos as MP4
No Restart
Featured
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.
This add-on is not compatible with your version of Firefox because of the following:
Omnibar
Featured
Integrates location bar and search bar into one. Shows search and url suggestions. Quickly switch search engine using search keywords. Provides different auto-complete popup styles for compact displays.
This add-on is not compatible with your version of Firefox because of the following:
Screengrab (fix version)
Featured
Screengrab! saves webpages as images.
0.98 released!
New features: upload to internet
This add-on is not compatible with your version of Firefox because of the following:
To create your own collections, you must have a Mozilla Add-ons account.
