CSV to JSON

Convert CSV data into JSON, using the first row as property names.

Data Tools🔒 Private: runs in your browserFree · no sign-up
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How to use CSV to JSON

  1. Add your input. Paste or type your content into the input area.
  2. Pick any options. Choose the settings you need for CSV to JSON, or keep the defaults.
  3. Copy the result. Copy or download the output. Everything happens in your browser.

Why use CSV to JSON?

  • Private by design: runs in your browser, nothing is uploaded
  • Free with no sign-up and no watermark
  • Fast, with no upload or download wait
  • Works on phone, tablet and desktop

Common uses for CSV to JSON

  • Prepare spreadsheet data for an API or app.
  • Convert exports into JSON for developers.
  • Create sample data for testing.

Private by design

CSV to JSON runs entirely in your browser. Whatever you type or paste is processed on your device and is never sent to our servers. Read our Privacy Policy for details.

Frequently asked questions

Is the first row used as keys?

Yes. The header row becomes the property names of each JSON object.

Is CSV to JSON free to use?

Yes. CSV to JSON is free, needs no account and never adds a watermark to your result.

Is my input sent to a server when I use CSV to JSON?

No. CSV to JSON runs in your browser and nothing you enter is sent to our servers.

Does CSV to JSON work on my phone?

Yes. CSV to JSON is fully responsive and works in the browser on Android, iPhone, tablets and desktop computers.

Guides and tips

DataCommon CSV File Problems (and How to Avoid Them)Why CSV files break more often than they should, and how to keep your data clean.DeveloperJSON vs CSV: Choosing the Right Format for Your DataA practical comparison for developers deciding how to store or exchange structured data.

Related tools

JSON to CSVConvert a JSON array of objects into CSV.JSON FormatterFormat, validate and minify JSON.

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