With this extension you can easily generate strong and secure passwords. You can specify password length and used chars (lowercase, uppercase, numbers or custom). Generated password you can copy directly to your clipboard, or generate more of them and copy them all at one time (or select only which of them you want).

Changelog:
Version 1.0 (October 10, 2010):
– first release
Version 1.1 (October 12, 2010):
– some minor fixes
– added Czech translation (extension is now fully localizable)
Version 1.2 (October 14, 2010):
– added option to randomize password length
– customized generator settings are now remembered on close
Version 1.3 (October 24, 2010):
– added option to define custom characters for password generation
– maximum password length increased to 128
Version 1.3.1 (October 24, 2010):
– fixed typo
Version 1.3.2 (October 31, 2010):
– some minor fixes
Version 1.3.3 (April 7, 2011):
– added ability to select/deselect/invert selection of passwords in the list
– jQuery library updated to latest version
– some minor fixes
Version 1.4 (April 9, 2011):
– added “Clear list” option
– some code optimalization
Version 1.5 (July 1, 2011):
– added confirmation dialog to Clear list action
– added Options tab
– added Option to remember password history (default is off)
Version 1.5.5 (February 4, 2012):
– added Simplified Chinese translation (thanks to 陆晨强)
Version 1.6 (September 15, 2012):
– added Spanish translation (thanks to Emmanuel Allende)
– added German translation (thanks to Kevin Risnyj)
– jQuery library updated to latest version
– some code optimalization and bugfixes

Translations:
If you would like to help this extension translate to your language, please post your contact detail to discusion below.