Developer

JSON to TOML Converter

Convert a JSON object into TOML.

TOML has no null — null values cause an error.

Developer

JSON to TOML Converter

Local only
Everything stays in your browser

Your text is processed on your device — nothing is uploaded to a server.

How it works

Top level must be an object. Nested objects become [tables]; arrays of objects become [[array tables]]. TOML has no null — null values cause an error.

Good to know

Frequently asked questions

How do I use it?

Enter your json and press “Convert to TOML”. Check the result, then copy or download it.

How does it work?

Top level must be an object. Nested objects become [tables]; arrays of objects become [[array tables]].

Are there limitations?

TOML has no null — null values cause an error.

Is my data uploaded?

No. Everything is processed in your browser and nothing is sent to a server. No account is needed.