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JSON to CSV — Free Online, No Upload Needed

Flatten an array of objects to CSV. Handles nested keys with dot notation.

Data & DevFreeNo uploadOffline-capable

Open the interactive json to csv tool — free, runs in your browser.

About this json to csv

Open API data in Excel or Google Sheets: convert an array of JSON objects to CSV, with nested objects flattened to dot-notation columns and proper quoting.

How to use

  1. Paste a JSON array of objects.
  2. Click Convert to CSV and check the header row.
  3. Download the .csv file.

Common use cases

  • Open API results in Excel or Google Sheets for analysis.
  • Share API data with a teammate who works in spreadsheets.
  • Produce a CSV import file from a JSON export.

Every file is processed locally in your browser. Nothing is uploaded, logged or stored, and there is no account to create.

JSON to CSV FAQ

What input shape is expected?

An array of objects, e.g. [{"a":1},{"a":2}]. A single object is wrapped automatically.

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