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