Base32 is a derivation of Base64 with the following additional properties: Base 64 literally means a positional numbering system using a base of 64. ...

1. The resulting character set is all uppercase, which can often be beneficial when using a case-sensitive filesystem.
2. The result can be included in a URL without escaping any characters.

It is a notation for expressing large numbers in a form that can be conveniently and accurately transmitted between humans and computer systems. A character encoding is a code that pairs a set of characters (such as an alphabet or syllabary) with a set of something else, such as numbers or electrical pulses. ... See Filing system for this term as it is used in libraries and offices In computing, a file system is a method for storing and organizing computer files and the data they contain to make it easy to find and access them. ... A Uniform Resource Locator, URL (spelled out as an acronym, not pronounced as earl), or Web address, is a standardized address name layout for resources (such as documents or images) on the Internet (or elsewhere). ...

References

• RFC 3548
• Base32 Note that this is an alternate Base32 encoding scheme. The alphabet found at this link does not match RFC3548.