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.
Extract email addresses from any kind of text content.
Use the Google translator API to generate text to speech audio.
Check if the URL is cached or not by Google.
Convert normal text to old english font type.
Get approximate IP details.
Separate text back and forth by new lines, commas, dots...etc.