Easily convert weeks to seconds.
Easily convert weeks to minutes.
Easily convert weeks to hours.
Easily convert weeks to days.
Easily convert weeks to months.
Make sure your passwords are good enough.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Easily remove duplicate lines from a text.
Get the gravatar.com globally recognized avatar for any email.
Get all possible details about an SSL certificate.
Get approximate IP details.