Is TOML ↔ JSON Converter free to use?

Yes, TOML ↔ JSON Converter is completely free. No account, no sign-up, and no hidden fees required.

Is my data safe when using TOML ↔ JSON Converter?

Your data never leaves your device. All processing happens locally in your browser — nothing is uploaded to any server.

Developer Tools

TOML ↔ JSON Converter

Convert common TOML config files to JSON and JSON objects back to TOML in your browser

Trusted by 10k+ developers

Supports common TOML syntax: key/value pairs, strings, numbers, booleans, primitive arrays, comments, and nested tables. Advanced TOML features like arrays of tables and multiline strings are not supported.

15 lines · 241 chars

Input TOML

Output JSON

Click "Convert" to see output

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