Addons.pl : plugins for Firefox

In this service you can find additions for different type to programs (for different OS, not only Linux; for Linux and Mac too) and extensions of their functionality. Apart from plugins in the service they will also be collected bookmarklets and UserJS for webbrowsers.

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Plugins for application: Firefox

If plugin not installed, you click right mouse button on "download" link and select "save target as" (with XPI extension). After you select "open" option in "file" menu in Firefox.

Bookmark Backup 0.4.3
Add-n which is a simple extension that helps to keep your bookmarks (and optionally other Firefox settings) safe. Each time Firefox is closed, a copy of your bookmarks file will be made to a backup location. By default the backups can be found in the Backups folder inside Firefox's profile folder.
Download (30 KB)

CSS validator 0.3.2
A Firefox addon that will validate a webpage's cascading style sheet. It sends CSS file to W3C CSS Validator. An acces to this options is on the right-click context menu and in the Tools menu to allow for easy validation of the CSS of the current page. Results are opening in a new tab.
Download (19 KB)

DownloadHelper 2.0
A free Firefox extension for downloading videos and images from many sites with minimum effort. You can save videos from sites where there is no option to download the movie on your hard disk. DownloadHelper works on YouTube, MySpace, Google Videos, DailyMotion, Porkolt, iFilm, DreamHost and many others.
Download (119 KB)

FireFTP 0.95
Secure, cross-platform FTP client for Mozilla Firefox which provides easy and intuitive access to FTP servers. This addon supports FTPS (FTP with SSL encryption).
Charityware # Download (121 KB)

Gladder 1.2.0.1
Get over Great Firewall with Great Ladder! It's a tool helping people get over the censorship in mainland China. This addon is a proxy tool works on a customizable sites list.
Download (19 KB)

Greasemonkey 0.6.7
An extension which lets you to add bits of DHTML ("user scripts") to any web page to change its behavior.
Download (60 KB)

ImgLikeOpera 0.6.5
Add-on which allows load only the images that you want in Firefox browser. This extension is very useful for non broadband users. Some features: forced expiration time (5 minutes - 3 months), filters ad more.
Download (91 KB)

Mines 1.0
This extension is a classic game of MineSweeper recreated for Firefox. Includes several interesting variations, for exemple games with hexagonal rather than square tiles. After installed game can be accessed from Tools > Mines.
Download (14 KB)

OperaView 0.6
A plug-in which opens pages in Opera from Firefox and Mozilla context menus. It is very usefull for web developers.
Download (26 KB)

Popup Allow 0.2.5
Temporarily allows popup windows to be opened while the Caps Lock key or the Insert key is held down.
Download (7 KB)

RSS Validator 0.3.3
A Mozilla Firefox addon to validating a page using the W3C RSS Validator. Adds an option to context menu and to the Tools menu to allow for easy validation of the RSS feed. It opens the results in a new tab. The RSS feed must be opened in the browser window for this extension to work.
Download (20 KB)

Sage 1.3.10
This plugin is a lightweight RSS (2.0, 1.0 and 0.9x) and Atom feed reader extension for Mozilla Firefox. Some featres: Feed Discovery. Newspaper feed rendering customizable via style sheets. Imports and exports OPML feed lists. Technorati and RSS search engine integration.
Download (136 KB)

Screen grab! 0.93
This addon saves entire webpages as images.
Download (45 KB)

SearchStatus 1.18
Addon which displays the Google PageRank and Alexa Rank popularity score of browsing site. Additional it has features: fast keyword density analyser, keyword/nofollow highlighting, backward/related links, Alexa info and other SEO tools.
Download (42 KB)

SeoQuake 1.4.0
Seoquake is a Firefox extension aimed primarily at helping web masters who deal with search engine optimization and it has been developed for the look-see of site's parameters in search results of Yahoo, MSN, Google, Yandex (russian SE), Rambler (russian SE) search engines and any other pages as well (Seobar).
Download (83 KB)