Few usefull webmaster tools. Just browse this page, maybe you will find something usefull.
Time calculator
Just choose your date so you can view some additional informations like day of the week or Unix timestamp.
Hide your email address
Some time you like to put on the website text visible for your users but hidden for crowlers or spam bots. For example; it's not very good idea to put your email address on the website as a plain text. This tool will help you to do so.
