How do I convert TOML to JSON?

Paste your TOML configuration in the left panel. The JSON output appears instantly in the right panel. Click 'Copy Output' to copy the result or 'Load Example' to try a sample.

What TOML features are supported?

The converter supports all TOML v1.0 features: standard tables, array of tables, inline tables, dotted keys, multi-line strings, integers, floats, booleans, dates, and times.

Is the TOML to JSON converter free?

Yes, completely free. The conversion runs entirely in your browser — no data is sent to any server, and no signup is required.

TOML to JSON Converter

Convert TOML configuration files to JSON instantly online. Supports tables, arrays, inline tables, dotted keys, and all TOML v1.0 features. Free — runs entirely in your browser.

TOML Input

JSON Output

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How to Use the TOML to JSON Converter

Paste your TOML configuration in the left panel.
The JSON output appears instantly in the right panel.
Click "Copy Output" to copy the JSON result.
Use "Load Example" to see a sample Cargo.toml conversion.