With thousands of happy users in the first year, ASCII Pro! (now open source) is the simplest, best way to convert quickly between ASCII text, binary code, hexadecimal, Base 64, and ASCII decimal character codes.
App is also complete with a hash generating utility to process a string of text into its respective MD5 and SHA-1 hash codes.
Internet is NOT needed for the conversions themselves!
After converting between formats, you can email your results to yourself or friends from within the app!
Also use to communicate in a code only you and your recipient can understand! Great for sending secret messages as well. Don't forget to rate/leave feedback!