JSON to TOML Converter

Convert JSON configuration files to TOML format online for free. Transform JSON objects into TOML config syntax. No upload required - 100% private browser-based conversion.

How to Convert JSON to TOML

  1. 1 Upload a JSON file or paste JSON object data
  2. 2 Set the output filename for the TOML file
  3. 3 Click Convert to TOML to process the data
  4. 4 Review the generated TOML configuration
  5. 5 Copy the output or download as a .toml file

Frequently Asked Questions

Is my code or data stored anywhere?

No. All developer tools process data locally in your browser. Nothing is sent to any server or logged.

Can I use these tools offline?

Yes! After the initial page load, most developer tools work without an internet connection.

Are there API limits?

No limits. Since processing happens in your browser, you can use the tools as much as you need.

Is the output compatible with production use?

Yes. Our tools produce standard-compliant output suitable for production environments.

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Last updated: January 15, 2026 · v2.1