TOML to JSON client-side
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How to use TOML to JSON

Turn a TOML file into JSON in seconds, with nothing to install. TOML is great for hand-written configuration, but most APIs and libraries expect JSON. This tool reads your TOML sections, tables and arrays and produces a clean, indented JSON object. This is handy for debugging a configuration, embedding it in a web app, or feeding it to a tool that only understands JSON. The result is ready to copy and reuse right away. The conversion runs fully client side, inside your browser. Your configuration files, which sometimes hold sensitive information, are never sent to a server.

Convert TOML to JSON.

TOMLJSONDataConversion

How to use TOML to JSON

Turn a TOML file into JSON in seconds, with nothing to install. TOML is great for hand-written configuration, but most APIs and libraries expect JSON. This tool reads your TOML sections, tables and arrays and produces a clean, indented JSON object. This is handy for debugging a configuration, embedding it in a web app, or feeding it to a tool that only understands JSON. The result is ready to copy and reuse right away. The conversion runs fully client side, inside your browser. Your configuration files, which sometimes hold sensitive information, are never sent to a server.

Frequently asked questions

Do I need to install any software ?

No. Everything runs in your browser. Paste your TOML and get the matching JSON instantly.

Are nested tables handled ?

Yes. TOML tables and sub-tables become nested JSON objects, keeping the full hierarchy intact.

Are types like dates preserved ?

Values are converted to their closest JSON equivalent. TOML dates are represented as ISO formatted strings.

Is my data kept private ?

Yes. No data leaves your device because the conversion runs locally in JavaScript.