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Ion Viewer

v1.0.0

View and convert Amazon Ion text format to and from JSON

Parses Amazon Ion text notation (structs, timestamps, decimals, blobs, annotations, s-expressions) and converts it to JSON — or converts JSON back to Ion text, all client-side.

How to use
  • →Paste Ion text on the left and click Convert to see the JSON equivalent, or switch to JSON → Ion mode to produce Ion text output.
  • →Ion-specific types (blob, clob, sexp, decimal, timestamp, annotation) are represented as JSON objects with an __ion_type field.
  • →Unquoted field names (symbols) are fully supported — the parser handles both quoted and unquoted keys.
  • →Use the Examples picker to load sample payloads with timestamps, annotations, blobs, and s-expressions.