Generate an MD2 hash for any string input.
Generate an MD4 hash for any string input.
Make sure your passwords are good enough.
Get approximate IP details.
Get the gravatar.com globally recognized avatar for any email.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Easily remove duplicate lines from a text.
Check if the URL is banned and marked as safe/unsafe by Google.