Make sure your passwords are good enough.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Easily convert bits (bit) to mebibits (Mibit).
Easily convert bits (bit) to megabits (Mbit).
Convert a particular date to the unix timestamp format.
Get approximate IP details.
Convert normal text to cursive font type.