Base64 Encode/Decode

The Base64 encoding process divides any binary data into groups of 3 bytes (24 bits) and divides these 24 bits into 4 6-bit units. Each 6-bit unit is mapped to an ASCII character, so 3 bytes of binary data are converted to 4 printable characters. The disadvantage is of course that the volume will be 4/3 times the original. This tool uses UTF-8 for character encoding.