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JSON to CSV

Convert JSON data to CSV format. Transform JSON arrays into downloadable CSV files.

How to Use JSON to CSV

1

Paste your JSON array

Paste a JSON array of objects (e.g., [{"name": "John", "age": 30}, ...]) into the input field.

2

Preview the CSV output

The tool automatically detects headers from object keys and generates the CSV with properly escaped values.

3

Download or copy the CSV

Download the result as a .csv file or copy it to your clipboard for pasting into Excel, Google Sheets, or any spreadsheet application.

About JSON to CSV

Convert JSON to CSV online for free with our JSON to CSV converter. Transform JSON arrays of objects into clean comma-separated values format for use in Excel, Google Sheets, databases, and data analysis tools. Automatically extracts column headers from object keys and handles nested structures. Perfect for exporting API response data, converting database exports, and preparing JSON data for spreadsheet analysis. All conversion runs entirely in your browser — your data stays private.

Key Features

  • Convert JSON arrays to clean CSV format with automatic column headers
  • Automatic header detection from object keys — no manual mapping needed
  • Download result as a .csv file ready for Excel, Google Sheets, or analysis tools
  • Handle nested objects and arrays with intelligent flattening
  • Support for large JSON datasets with fast browser-based conversion
  • Free and private — all conversion happens locally in your browser

Frequently Asked Questions

How to convert JSON to CSV online for free?▾
Paste your JSON array into the converter and it automatically generates CSV with headers from object keys. Download the .csv file or copy the output. No signup required.
What JSON format is expected?▾
The tool expects a JSON array of objects like [{"key": "value"}, ...]. Each object becomes a row, and the object keys become column headers in the CSV.
How to open JSON data in Excel?▾
Convert your JSON to CSV using this tool, then open the downloaded .csv file in Excel. Excel automatically recognizes CSV format and displays it in columns.
Does it handle nested JSON objects?▾
Yes. Nested objects are flattened using dot notation (e.g., address.city) or serialized as strings, ensuring all data is preserved in the CSV output.
How to convert API response JSON to spreadsheet?▾
Copy the JSON array from your API response, paste it into the converter, and download the CSV file. Open it in Google Sheets or Excel for analysis and visualization.
Is this JSON to CSV converter safe and private?▾
Yes. All conversion happens entirely in your browser using JavaScript. Your JSON data is never uploaded to any server, making it safe for sensitive business data.
Can it handle large JSON files?▾
Yes. The converter processes large JSON arrays efficiently in the browser. Datasets with thousands of rows work smoothly on modern devices.
What if my JSON objects have different keys?▾
The converter handles objects with varying keys by creating columns for all unique keys found across all objects. Missing values are left empty in the CSV.