Convert roman numerals to a number with ease.
Extract email addresses from any kind of text content.
Get the gravatar.com globally recognized avatar for any email.
Make sure your passwords are good enough.
Get & verify the meta tags of any website.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Get details of any file type, such as the mime type or last edit date.