JSON to TOON Converter

Convert JSON to TOON (Token-Oriented Object Notation) format for 30-60% token reduction. Optimize your data for LLM applications with this compact, human-readable format. All processing happens in your browser.

Input JSON

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Output TOON

About TOON Format

TOON (Token-Oriented Object Notation) is a compact data format designed to reduce token usage by 30-60% compared to JSON, making it ideal for LLM applications and API cost optimization.

Uses tabular layouts for uniform arrays
Explicit array lengths and field headers
Indentation-based structures (similar to YAML)
Minimizes redundant syntax (brackets, braces, repeated keys)

Learn More About TOON

What is TOON Format?

Learn about TOON (Token-Oriented Object Notation) and its benefits for LLM applications.

How to Convert JSON to TOON

Step-by-step guide on converting JSON to TOON format with best practices.

TOON vs JSON

Compare TOON and JSON formats side-by-side to understand their differences and use cases.

Compare Formats

TOON for LLM Applications

Learn how TOON format optimizes LLM applications and reduces API costs by 30-60%.

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