Easily convert ICO image files to GIF.
Easily convert ICO image files to PNG.
Easily convert ICO image files to JPG.
Easily convert ICO image files to BMP.
Get the gravatar.com globally recognized avatar for any email.
Ping a website, server or port..
Get all possible details about a domain name.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Make sure your passwords are good enough.
Take an IP and try to look for the domain/host associated with it.