An interesting site from HowToGeek. It has 3 online tools:

1) Upside Down Text Generator: Makes upside down.

2) Text Tools: Text formatting tools let you reformat HTML to Wiki, HTML to Text, and even Word HTML to sane HTML that doesn't make you want to stab somebody.

3) Password Tools: Creates a random password for free.

Check it out here: ToolsGeek - Text Formatting Tools, Random Passwords, etc