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 decimal and the other way for any string input.
Convert your HSV color format to HSL format.
Easily convert days to years.
Convert kilometers per hour (kph) to miles per hour (mph) with ease.
Take an IP and try to look for the domain/host associated with it.
Convert your text to any kind of text case, such as lowercase, UPPERCASE, camelCase...etc.