What TOML features are supported?

The tool supports TOML v1.0 including tables, arrays of tables, inline tables, dotted keys, multi-line strings, and all date/time types.

Can I convert JSON to TOML too?

Yes. The tool supports bidirectional conversion. Use the TOML to JSON button or the JSON to TOML button as needed.

All conversion happens locally in your browser. No data is ever sent to a server.

The tool will display a clear error message indicating what went wrong with your TOML or JSON input.

Convert between TOML and JSON formats. Paste your data and click convert.

Input

Output

Step 1

Paste your TOML or JSON into the input field.

Step 2

Click TOML to JSON or JSON to TOML to convert.

Step 3

View the converted output in the output field.

Step 4

Click Copy to copy the result to your clipboard.

Bidirectional conversion: TOML to JSON and JSON to TOML.

Full TOML v1.0 specification support.

Clear error messages for invalid input.

One-click copy to clipboard.

No data sent to any server — completely private.

: The tool supports TOML v1.0 including tables, arrays of tables, inline tables, dotted keys, multi-line strings, and all date/time types.
: Yes. The tool supports bidirectional conversion. Use the TOML to JSON button or the JSON to TOML button as needed.
: All conversion happens locally in your browser. No data is ever sent to a server.
: The tool will display a clear error message indicating what went wrong with your TOML or JSON input.