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Linkification
Requires Restart
Converts text links into genuine, clickable links...
Dog Ears
Requires Restart
Mark important parts of a webpage to easily relocate them.
Link Status
Requires Restart
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. In Firefox 3.5 and later, the extension also offers an option to disable the visited link styling to reduce the risk to privacy.
about:kittens
Requires Restart
Baby cats and kittens in the about box...
bosskey
Requires Restart
Add Boss Key, Minimize/Close to tray and memory auto cleaning to Firefox.
ClassicFox
Requires Restart
ClassicFox fixes problems with the appearance of the default theme in Windows Classic.
CuteMenus - Crystal SVG
Requires Restart
Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.
Adds icons to all menus along with some other features...
中止ボタンがしいたけに見えて困る
Requires Restart
Huh, you said the stop button looks like shiitake? No way, you must be tired.
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