中止ボタンがサーニャに見えて困る Requires Restart
Force Addon Status Requires Restart
Provides ability to change status of specific addon (enabled/disabled).
Restart application Requires Restart
Restart the application with one click (or Ctrl Shift Z)
Is It Compatible? Requires Restart
**Notice: This addon is no longer maintained.** Are your addons compatible with the next version of Firefox? Find out straight from the Addons window! **Version 0.6.0 is available from the Versions page, it was never approved by AMO**
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
OverbiteFF Requires Restart
1-click Online Document View Requires Restart
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!!
Free unused memory that Firefox is currently using.
Extension List Dumper 2 Requires Restart
This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...
Crash yourself with ease
Addons Quick Search Requires Restart
Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.
Adds profile folder/directory button.
Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
Just Restart! Requires Restart
Restart application with Ctrl+Shift+Z.
Restart the current application, as you might need to do after installing a new extension or theme.
AutoCopy Requires Restart
Select text and it's automatically copied to the clipboard. Also pastes on middle click.
Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.
Print selected text Requires Restart
Adds feature for printing selected text.
Version in Add-on bar Requires Restart
Show the Firefox/Thunderbird version number in the addon bar (formerly called status bar).