TOON format offers significant advantages for LLM applications while maintaining full compatibility with JSON.
TOON format uses significantly fewer tokens than JSON, directly reducing your LLM API costs. Save money on every API call.
Fewer tokens mean faster response times. Your LLM applications will process TOON data more quickly than JSON.
TOON supports nesting, arrays, and all JSON features. It maps cleanly back to JSON without losing any data.
Works with all major LLMs including GPT-4, Claude, Gemini, Llama, and more. No special configuration needed.
TOON is especially effective for large JSON objects. The larger your data, the more tokens you save.
No signup required. No API keys needed. No usage limits. Convert unlimited JSON to TOON completely free.