Csv To Json Converter

CSV to JSON Converter

Convert CSV to JSON and JSON back to CSV instantly — private, browser-based data conversion.

Your data never leaves your browser — all processing happens locally on your device.

Direction

About this tool

The CSV to JSON Converter transforms spreadsheet exports into JSON arrays (and reverse). Paste CSV with a header row to get structured JSON for APIs, scripts and databases — or export JSON arrays back to CSV. Handles quoted fields and commas. Your data never leaves your browser.

How to use the CSV to JSON Converter

  1. 1

    Choose direction

    Select CSV to JSON or JSON to CSV.

  2. 2

    Paste your data

    Paste CSV with headers or a JSON array of objects.

  3. 3

    Convert and copy

    Generate output and copy for your app or spreadsheet.

Frequently Asked Questions

Does the CSV need a header row?

Yes. The first row becomes JSON object keys for each column.

Can I convert JSON back to CSV?

Yes. Switch to JSON-to-CSV mode and paste a JSON array of objects.

Is my data uploaded?

No. Conversion runs entirely in your browser.

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