Convert text to binary and the other way for any string input.
Convert text to hexadecimal and the other way for any string input.
Convert text to ascii and the other way for any string input.
Convert text to octal and the other way for any string input.
Easily convert seconds to years.
Extract email addresses from any kind of text content.
Get all possible details about a domain name.
Easily convert bits (bit) to yobibytes (YiB).
Get all the HTTP headers that an URL returns for a typical GET request.