JSON to CSV Converter

Convert JSON arrays to CSV format instantly. Paste your JSON array of objects and get a clean CSV output.

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JSON Input
CSV Output
CSV output will appear here

JSON to CSV Conversion Tips

Practical advice for converting JSON data to spreadsheet-friendly formats.

1

Flatten Nested Data Before Converting

CSV is a flat format. If your JSON contains nested objects, consider flattening them first or be aware that nested values will be stringified in CSV cells. Plan your data structure accordingly.

2

Ensure Consistent Object Keys

For best results, make sure all objects in your JSON array have the same keys. Missing keys will result in empty CSV cells, which is fine but may require cleanup in your spreadsheet.

3

Use CSV for Data Analysis Workflows

Converting API responses to CSV lets you analyze JSON data in Excel, Google Sheets, or pandas. This is especially useful for business reporting, log analysis, and quick data exploration.

Conversion Features

Effortless JSON to CSV conversion in your browser.

Auto Column Detection

Automatically detects all keys from your JSON objects to create CSV column headers.

Nested Value Handling

Nested objects and arrays are stringified in CSV cells so no data is lost.

Download CSV

Download the converted CSV file directly to your computer with one click.

What is JSON to CSV Conversion?

JSON to CSV conversion transforms a JSON array of objects into a comma-separated values table. Each object becomes a row, and each unique key becomes a column header.

Input JSON

[
  { "name": "Alice", "age": 30 },
  { "name": "Bob", "age": 25 }
]

Output CSV

name,age
Alice,30
Bob,25

JSON to CSV FAQ

What JSON format is supported?

The converter works best with JSON arrays of objects, where each object represents a row and each key becomes a column header.

How are nested objects handled?

Nested objects and arrays are JSON-stringified in the resulting CSV cells, preserving all data.

Is there a size limit?

There is no hard limit. Performance depends on your browser, but typical datasets with thousands of rows convert instantly.

What happens if my objects have different keys?

The converter collects all unique keys across every object in the array and uses them as column headers. Objects missing a key will have an empty cell in that column.

Can I choose a custom delimiter instead of comma?

Currently the converter uses the standard comma delimiter. If you need a different delimiter (tab, semicolon, pipe), you can do a find-and-replace on the output after conversion.

How are boolean and null values handled in CSV?

Boolean values are written as true/false text, and null values appear as empty cells in the CSV output. Numbers remain as-is without quoting.

Can I convert the CSV back to JSON?

Absolutely! Use our CSV to JSON converter tool for the reverse conversion. It automatically detects headers and infers types from values.

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