- The resulting character set is all one case, beneficial when using a case-insensitive filesystem, spoken language, or human memory.
- The Base32 result can be used as a file name because it can not possibly contain the
'/'symbol, which is the Unix path separator.
- To avoid similar-looking pairs of different symbols they picked an alphabet , so the strings can be accurately transcribed by hand.
- Base32 result excluding padding can be included in a URL without encoding any characters.
I’m sure everyone mixed
'1','8','0' in hist life. RFC 4648 omits these symbols.