The JSON-Base64 file format, aka JB64, was invented for performing clean data transfers of database records and spreadsheet values across a wide variety of Internet hosts, software programs, and programming languages. JB64 is encoded in a stream-ready format, follows a clearly defined specification, and the file format and reference implementations are public domain.
[2] JSON-Base64 (JB64) File Format Specification (2017-05-31 14:00:28 +09:00) <https://jb64.org/specification/>