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WAVESPEED AI TOML TO JSON Works in your browser
100% FREE

Free TOML to JSON ConverterCargo.toml, pyproject.toml and more.

Read TOML config files as JSON, with every table and array of tables in place.
Dates and large integers come through exactly.

TOML 1.0Exact 64-bit integersNo upload
No sign-up No upload No limits

Input

Or try an example

Paste or open data to convert it.

Output

Your data is converted in this browser tab and never leaves your device.
THREE SIMPLE STEPS

How to use the TOML to JSON

01

Paste your TOML

Paste it or drop a .toml file.

02

Check it

Mistakes such as a key defined twice are shown with their line and column.

03

Copy the JSON

Copy it or download a .json file.

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$1 in free credits for eligible new accounts. No card needed. Generators have separate account and credit requirements. The data format converter is free.

TOML to JSON FAQ

Is this TOML to JSON converter free?

Yes, with no account and no limits.

Is my TOML uploaded?

No. It is converted in your browser tab and never leaves your device.

How are dates written?

As text in ISO 8601 form, such as 1979-05-27T07:32:00.000Z, or 1979-05-27 for a date without a time.

Can I convert JSON back to TOML?

Yes. Swap the formats. JSON null has no TOML equivalent, so such keys are left out with a note.

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Free TOML to JSON Converter

TOML 1.0 · Exact 64-bit integers · No upload

Start converting