Add-ons
Interface Customizations
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xSidebar
Firefox style sidebars for SeaMonkey...
4 users
Most Popular See all »
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A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...1,280 users -
MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.1,084 users -
Customize menus : Helps removing, moving and renaming menus and menu items
Colorize important menu for ease of use! (use Style (CSS))
Change or disable any of used keyboard shortcuts
Support: Firefox, Thunderbird and SeaMonkey653 users -
This extension enables true full screen mode in SeaMonkey for HTML5 video players, slide-shows, etc. and also for full screen invoked manually with the F11 key.503 users -
An easier management of the user interface language421 users
Top Rated See all »
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Hide title bar if window is maximized.
This add-on has been discontinued!
Legacy extensions support will be dropped in Firefox 57. If you interest in CSD on Linux, please track progress on https://bugzilla.mozilla.org/show_bug.cgi?id=1283299.0 users -
Restores the default image style used for top-level images in previous versions of Firefox.18 users
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Adds metadata and sortable tags to the password manager.5 users
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This extension allows to open links in new tabs with right-click directly and using “long” left-click.
This is very useful for touchpads on notebooks and for mice without middle button.6 users -
Speed Dial & Start Page with flexible layout for fast access to sites via visual bookmarks244 users
Recently Added See all »
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Single-click access to common actions for images (e.g. saving, copying, printing)7 users -
MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.1,084 users
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Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.225 users
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Makes every page to have light text on dark background (exact colors are customizable)
Firefox version is here: https://addons.mozilla.org/firefox/addon/dark-background-light-text/69 users -
Flexible Sidebar allows to change sidebar width by dragging the handles.7 users
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Tab bar on the side of the window for SeaMonkey.18 users
See all 127 extensions in Interface Customizations »
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