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ThunderBirthDay Requires Restart
Display birthdays from the Thunderbird addressbooks as events in Lightning.
Closy Requires Restart
Provides close all blank/duplicate tabs and Close all tabs to the left/right plus many other options.
Compact Menu 2 Requires Restart
Add a compact menu button to the navigation toolbar, and hide the menu bar.
Perfect View
Image viewer with smooth dynamic zoom, pan and rotate. View slide shows of images or files and capture page elements and tab content. Apply image filters. Save images in various formats.
No need flash plugin on embeded youtube movies
No need flash plugin on embeded youtube movies
Folderpane Tools Requires Restart
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Certificate Patrol Requires Restart
Your browser trusts many certification authorities and intermediate sub-authorities quietly, every time you enter an HTTPS web site. This add-on reveals when certificates are updated, so you can ensure it was a legitimate change.
Extra Format Buttons Requires Restart
Adds a font size (in pixels), strikethough, subscript and superscript buttons to Thunderbird's Compose Window.
Google Privacy Requires Restart
Make some popular websites respect your privacy settings.
Please see the known issues below!
Link Properties Plus Requires Restart
Provides extended link properties: size of linked file, last modified time, etc.
XL2Report Requires Restart
Report und grafische Auswertung für Messungen mit dem XL2-Audio und Akustik Analyzer von NTi Audio
OpenMixTools Requires Restart
convert session files of yamaha consoles, print channel lists and reports
Ebank2 Plugin Requires Restart
K&H e-bank és electra belépés és tranzakció aláírás bővítmény / K&H ebank and electra login and transaction singing extension
Browser Backgrounds Requires Restart
Browser Backgrounds is the new Firefox extension that lets you install backgrounds directly on your browser.
Markdown Viewer Requires Restart
Markdown document viewer.
Allows to visualize formatted markdown documents in browser.
Tab Counter
A simple extension that counts the number of open tabs per window and displays the count in the toolbar...
To create your own collections, you must have a Mozilla Add-ons account.