Developer

CSV to JSON Converter

Convert pasted CSV into JSON arrays or rows locally in your browser.

First row contains headersPretty-print JSON

CSV inputJSON output

How to use CSV to JSON Converter

Best for

Turning spreadsheet exports into JSON for docs, tests, and prototypes.
Converting comma-separated rows into objects using a header row.
Checking CSV data before pasting it into a JSON workflow.

Steps

Paste CSV into the input box.
Choose whether the first row should become object keys.
Convert, review the JSON, and copy the output.

Notes

Quoted CSV fields and escaped quotes are supported for common pasted CSV.
Very large CSV files may be slow because conversion runs in the browser.

FAQ

Can I convert CSV without headers?

Yes. Turn off header row mode to output each row as an array.

Does CSV to JSON upload my data?

No. The conversion runs locally in your browser.