CSV to JSON converter

Turn a spreadsheet export into JSON for an API or app. The header row becomes the keys, delimiters are detected, and numbers can be typed automatically.

Tooloat runs in your browser and needs JavaScript. It opens in a moment, and your files are processed on your device.

How it works

Paste your data or open a file.
Choose the input and output formats.
Copy or download the converted data.

Why use it

Header row to keys.
Delimiter detection.
Type detection.
Private.

Questions and answers

How do I convert CSV to JSON?

Paste the CSV and choose JSON as the output.

Does it handle quoted commas?

Yes.

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