CSV to JSON converter

Free CSV to JSON converter in your browser. Paste or drop a file — nothing is uploaded.

Ads

Paste or drop .csv

Nothing leaves this device. No account required.

Why convert CSV to JSON?

CSV is great for tabular exports but weak for nested data. JSON preserves row structure as an array of objects that code and APIs can consume directly.

What changes in the output

  • First row becomes object keys
  • Every cell is kept as a string (no type guessing)
  • Empty cells become empty strings
  • Result is a JSON array of row objects

How to convert CSV to JSON

  1. Paste CSV or drop a csv file onto the converter.
  2. Confirm From is CSV and To is JSON, then click Convert.
  3. Copy or download the JSON output — processing never left your browser.

FAQ

Is this CSV to JSON converter free?
Yes. Formatly converts CSV to JSON in the browser at no charge and without an account.
Do you upload my CSV files?
No. Parsing and conversion run locally in your browser. Files stay on this device.
Can I switch formats after converting?
Yes. Use the From and To selectors to try other pairs, or open a related converter from the links below.

Related converters