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@jdereg jdereg commented Jan 25, 2026

json-io recently added full TOON (Token-Oriented Object Notation) read/write support in v4.85.0.

TOON is a compact format designed for LLM token efficiency (~40-50% fewer tokens than JSON), which is increasingly relevant as Java developers integrate with AI services.

Updated the description to reflect this new capability while keeping it concise.

Change:

  • Old: Convert Java to JSON. Convert JSON to Java. Pretty print JSON. Java JSON serializer.
  • New: Convert Java to JSON/TOON and back. Supports complex object graphs, cyclic references, and TOON format for 40-50% LLM token savings.

@akullpp akullpp merged commit 35b9dd8 into akullpp:master Jan 29, 2026
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2 participants