TOON (Tabular Object Notation) is an optimized data format designed specifically for Large Language Models (LLMs). It reduces token usage by 30-60% compared to JSON while maintaining full data fidelity and human readability.

How much can TOON reduce my token costs?

TOON typically reduces token usage by 30-60% depending on your data structure. For large datasets with repetitive keys, you can see savings up to 70%. This translates to significant cost reductions when using LLM APIs.

Is TOON conversion reversible?

Yes, TOON is fully reversible. You can convert TOON back to JSON without any data loss. The conversion maintains complete fidelity with your original data structure.

Is TOON Converter free to use?

Yes, TOON Converter is completely free to use. There are no signup requirements, no usage limits, and no hidden costs. All conversions happen client-side in your browser.

What types of data can I convert?

Currently, TOON Converter supports JSON data conversion. Support for other formats like Markdown and plain text is planned for future updates.

Convert JSON to TOON

Reduce LLM token usage by 30-60% with TOON format. Convert JSON instantly, save costs, and improve AI performance. Free, fast, and secure.

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30-60%

Token Reduction

100%

Data Reversible

∞

Free Usage

Instant

Conversion Time

Convert Your JSON

Paste your JSON below and see the magic happen

Input JSON

Paste your JSON data or drag & drop a file

TOON Output

Optimized TOON format ready for your LLM

Programmatic Access

Integrate TOON conversion into your applications with our REST API

REST API

Simple POST endpoint for JSON to TOON conversion with comprehensive error handling.

Rate Limited

100 requests per hour per IP address to ensure fair usage and prevent abuse.

Full Documentation

Complete API documentation with code examples in multiple programming languages.

View API Documentation

Why Choose TOON?

Discover the advantages of TOON format for your AI applications

Token Efficiency

Reduce token usage by 30-60%, lowering API costs and improving response times for large datasets.

Human Readable

Clear structure with proper indentation and formatting, making it easy to read and debug.

Fast Processing

Lightning-fast conversion with minimal overhead. Process large datasets in milliseconds.

Easy Integration

Simple API and command-line tools. Integrate TOON into your existing workflows effortlessly.

AI Optimized

Designed specifically for LLM interactions, providing better context and reducing hallucinations.

Ready to Optimize Your AI?

Start converting your JSON data to TOON format today and see the difference in your AI applications.

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