Generate an MD2 hash for any string input.
Generate an MD4 hash for any string input.
Get the gravatar.com globally recognized avatar for any email.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get approximate IP details.
Crop images to a specific size.
Make sure your passwords are good enough.
Get all possible details about a domain name.