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 decimal and the other way for any string input.
Convert text to octal and the other way for any string input.
Get approximate IP details.
Extract email addresses from any kind of text content.
Convert kelvin degrees to fahrenheit degrees with ease.
Convert a number to written, spelled out words.
Get the web-host of a given website.
Take an IP and try to look for the domain/host associated with it.