Hoogst gewaardeerde extensies



SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).

Waardering 3 van 5 sterren (74)
7.089 gebruikers


Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. Update for fcp's addon

Waardering 4 van 5 sterren (9)
27 gebruikers

Cycle Collector Analyzer, about:ccdump Geen herstart

Display the graph created by cycle collector. Open "about:ccdump" page after the installation.

Waardering 4 van 5 sterren (6)
356 gebruikers

MetaProducts Integration

Integrate MetaProducts software with Mozilla browsers. Download links and Web sites using Mass Downloader and Offline Explorer. Save Web pages as you see them for future reference with MetaProducts Inquiry.

Waardering 4 van 5 sterren (6)
4.659 gebruikers

Stop Tube HTML5 Geen herstart

Stops autoplay of YouTube HTML5 videos (WebM). It is Flash-Block equivalent for HTML5 videos.

Waardering 3 van 5 sterren (55)
10.008 gebruikers

Multi Web Search

For those who are looking for and want to find!
Find the most relevant information from the Web with a single request to different search engines and get the results on a single page

Waardering 4 van 5 sterren (5)
1.140 gebruikers

Gmail S/MIME

Send and receive signed and encrypted messages in Gmail.

Waardering 3 van 5 sterren (48)
2.835 gebruikers


PDF export support by Gecko.

Waardering 4 van 5 sterren (5)
723 gebruikers

docked JS-Console

docks the JS-Console to the Bottom of the Browser

feel free to have a look at the source (see below) and suggest enhancements (borstel33 web de , Subject: docked JS-Console)

Waardering 4 van 5 sterren (10)
213 gebruikers

easy Xdebug

A tool make xdebugging with netbeans for php more userfriendly.

Waardering 3 van 5 sterren (38)
6.776 gebruikers

PageTweak - Ad Blocker, Video Downloader, Translator... Geen herstart

The Ultimate Webpage Enhancer! Instantly add many tweaks to any webpage including: Ad block, flash block, video download, remove delays, tooltip translation, link checker, rounded corners, auto pagerize, and more. A must have for all web users.

Waardering 3 van 5 sterren (23)
6.971 gebruikers

Add-on Preferences Button Geen herstart

Displays a menu that allows you to open the option/preference window for any add-on that has one.

Waardering 5 van 5 sterren (2)
256 gebruikers

Stylish Tools

Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey

Waardering 5 van 5 sterren (2)
1.159 gebruikers

Filter Uploader for Adblock Plus

DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!

This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...

Waardering 3 van 5 sterren (45)
22.330 gebruikers


This addon blocks sites containing pornographic materials.

Waardering 3 van 5 sterren (76)
77.746 gebruikers


ConfigDate allows to configure the "Date" column in message threadpane. When displaying the message header, it is possible to display the (default) formated date or the senders local sent time (Date-String).

Waardering 3 van 5 sterren (24)
10.353 gebruikers

1-click Online Document View

Open DOC, DOCX, PDF, PPT, PPTX and TIFF files linked in any webpage directly with Google Docs viewer using "1-click Online Document View", with a single left-click of your mouse / trackpad!!

Waardering 4 van 5 sterren (5)
2.174 gebruikers

Bookmark Toolbar Menu Button Geen herstart

Show the contents of the Bookmarks Toolbar in a drop down menu. This compresses the bookmark menu into one button that you can put on any toolbar you want to.

Waardering 4 van 5 sterren (3)
2.118 gebruikers

AlexaTopSites Geen herstart

This add-on provides quick access to Alexa's Top Sites.

Waardering 4 van 5 sterren (3)
855 gebruikers

MR Tech About:About

Adds the following "about:" options to the Help menu

Waardering 3 van 5 sterren (7)
164 gebruikers