JSON to CSV Converter

Convert JSON array to CSV format instantly. Auto-detects columns from object keys. Handles special characters and quoting. Free and client-side.

Everything runs in your browser — your data is never sent to any server.

Why use a JSON to CSV Converter?

JSON is the standard format for APIs and web applications, but CSV is often needed for spreadsheet imports, data analysis, and reporting tools. Converting JSON to CSV allows you to easily import data into Excel, Google Sheets, or database systems. Our converter auto-detects columns from object keys and properly escapes special characters.

Key Features

  • Auto-detect columns from all object keys in the array
  • Proper CSV escaping for commas, quotes, and newlines
  • Handles nested objects by converting to string representation

How to use

  1. Paste your JSON array in the input field
  2. Click Convert to generate CSV output
  3. Copy the CSV or download for use in spreadsheets

Technical Details

The converter scans all objects in the JSON array to discover all unique keys, ensuring no data is lost even if some objects have different fields. Fields containing commas, double quotes, or newlines are properly escaped according to RFC 4180 standards.

FAQ

Can I convert a single JSON object (not an array)?

The tool requires a JSON array. You can wrap a single object in square brackets like [yourObject] to convert it.

How are nested objects handled?

Nested objects and arrays are converted to their string representation in the CSV output. For deeply nested data, consider flattening the structure first.

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