JSONformat
JSONformat is a proposed extension to the JSON data interchange format that adds optional metadata, explicit typing hints, and human-friendly formatting while remaining compatible with existing JSON tooling. It aims to preserve JSON’s portability while enabling richer data descriptions and evolution.
The design keeps the core JSON syntax intact and uses an optional metadata wrapper or reserved keys
Key features of JSONformat include optional type annotations, schema references through a $schema identifier, comments via
Adoption of JSONformat remains experimental, with various implementations and proposals but no single universally ratified standard.