TOML to JSON Converter

Parse TOML (tables, arrays, scalars) into JSON.

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TOMLJSON

Parses TOML (tables, array-of-tables, inline tables, typed scalars) into JSON. Dates are kept as strings.

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Reach for TOML to JSON Converter whenever you need the same data in a different format — during a migration, a code review or a quick debug. It's a free, instant converter that keeps your structure and data types intact, entirely in your browser.

About TOML to JSON Converter

Need the same data in another format without a CLI or script? TOML to JSON Converter parse TOML (tables, arrays, scalars) into JSON the moment you paste it in. It's the fastest way to move config and API data between formats during migrations, code reviews and debugging. Like every ToolJolt utility it runs 100% in your browser — no sign-up, no upload, and nothing ever sent to a server, so it's safe for proprietary code and confidential data.

How to use TOML to JSON Converter

1Paste your source data into the left panel.
2The converted output appears instantly on the right.
3Copy or download the result for your config, API or pipeline.
4Edit the input and the output updates live.

Why use TOML to JSON Converter?

✓Instant, accurate conversion as you type
✓Preserves nesting, arrays and data types
✓Copy or download the result immediately
✓No CLI, no install, no config files to learn

Frequently asked questions

Is the conversion in TOML to JSON Converter lossless?+

For typical documents, yes — keys, nesting, arrays and scalar types are preserved. Format-specific extras (comments, anchors, custom tags) may be normalised, since not every format supports them.

Can I convert large files with TOML to JSON Converter?+

Yes. Conversion runs locally in your browser, so reasonably large documents process instantly without any upload or size cap imposed by a server.

Is TOML to JSON Converter free?+

Yes. TOML to JSON Converter is completely free with no sign-up, no account, no usage limits and no watermarks. Use it as often as you like.

Does TOML to JSON Converter send my data to a server?+

No. TOML to JSON Converter runs entirely in your browser with JavaScript — your input never leaves your device, which makes it safe for private API payloads, schemas and source code.

Embed TOML to JSON Converter on your website

Want TOML to JSON Converteron your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.

Embed code

<iframe src="https://tooljolt.com/tools/toml-to-json" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="TOML to JSON Converter — ToolJolt" loading="lazy"></iframe>