Fierr is a Firefox and SeaMonkey extension that replaces the 404 error page with a more stylized background.
Fierr is an open source add-on designed to work with Firefox for Android 10.0 Alpha 1 - 20.0 Alpha1, Mozilla Firefox 1.5 or later, Firefox Mobile 2.0 Alpha 1 or later and SeaMonkey 2.0 Alpha 1 or later.
· Mozilla Firefox
What's New in This Release: [ read full changelog ]
· Fixed a warning.
· Added local localizations for Back, Reload, and Search (some localizations may not be completely correct at the moment).