Convert text to binary and the other way for any string input.
Convert text to ascii and the other way for any string input.
Convert text to decimal and the other way for any string input.
Convert text to octal and the other way for any string input.
Get the gravatar.com globally recognized avatar for any email.
Make sure your passwords are good enough.
Find A, AAAA, CNAME, MX, NS, TXT, SOA DNS records of a host.
Check for 301 & 302 redirects of a specific URL. It will check for up to 10 redirects.
Convert kilograms (kg) to pounds (lb) with ease.
Get details of any file type, such as the mime type or last edit date.