delicious.com (previously del.icio.us) encrypted bookmarks creates bookmarks which are private even from delicious by encrypting them using blowfish encryption

Decode Base62 encoded strings.

Translates text into what Kenny from South Park would say and back again. A translation window appears when you click selected text with the alt key pressed.

Encodes and decodes LiveJournal entries with pseudo-Chinese that uses the box radical (hence the name). Uses the xxTEA encryption algorithm and supports the entire Unicode spectrum.

Allows the user to encrypt their email conversations