About JSON to TOON Converter

A free, privacy-first tool designed to help developers reduce LLM API costs by up to 60%

Our Mission

At JSON to TOON Converter, we believe that cost shouldn't be a barrier to innovation. As LLM APIs become increasingly essential for modern applications, token costs can quickly become prohibitive, especially for startups and individual developers.

Our mission is to provide developers with free, powerful tools that help optimize their LLM API usage, reduce costs, and enable them to build amazing applications without breaking the bank.

We're committed to privacy, transparency, and making advanced developer tools accessible to everyone.

Our Values

Performance

We optimize for speed and efficiency, ensuring your conversions happen instantly without any delays.

Privacy First

All processing happens locally in your browser. Your data never leaves your device, ensuring complete privacy and security.

Free & Open

Our tool is completely free to use, with no hidden costs, signups, or limitations. Accessible to developers worldwide.

Developer Focused

Built by developers, for developers. We understand your needs and design tools that actually help.

Results Driven

We measure success by the real savings and value we provide to developers using our tools.

Community

We're building a community of developers who share knowledge, best practices, and support each other.

What We Do

JSON to TOON Converter transforms your JSON data into TOON (Token-Oriented Object Notation) format, a compact data representation that reduces token consumption by up to 60% when used with LLM APIs.

Our tool is perfect for developers working with:

  • GPT-5, GPT-4, and other OpenAI models
  • Claude (Anthropic) API
  • Google Gemini API
  • Any LLM that processes structured data

By converting JSON to TOON format, you can significantly reduce your API costs while maintaining full data structure clarity and compatibility.

Built With Modern Technology

Our converter is built using cutting-edge web technologies to ensure the best possible experience:

  • Next.js 15 - Modern React framework for optimal performance
  • React 19 - Latest React features for smooth interactions
  • TypeScript - Type-safe code for reliability
  • Tailwind CSS - Modern, responsive styling
  • Client-Side Processing - All conversions happen in your browser

Get in Touch

Have questions, suggestions, or feedback? We'd love to hear from you!

Visit our FAQ page for common questions, or use our report issue feature to share feedback.

We're constantly improving our tools based on community feedback. Your input helps us build better products for everyone.