Export JSON Array to CSV Online
Paste a JSON array of objects and download it as a properly formatted CSV file. Headers are extracted automatically, special characters are escaped, and nested values are handled gracefully. Everything runs client-side — your data never leaves your browser.
JSON to CSV Converter
Convert JSON arrays to CSV format. Automatically flattens nested objects with dot notation, lets you select columns, and download as a .csv file.
About JSON to CSV Conversion
- Nested objects are flattened using dot notation (e.g.
address.city). - Arrays within objects are serialized as JSON strings in the CSV output.
- Select or deselect columns after converting to customize your output.
- Supports comma, tab, semicolon, and pipe delimiters.
- Download the result as a .csv file ready for Excel, Google Sheets, or any spreadsheet app.
- Everything runs in your browser — no data is sent over the network.
What is JSON to CSV conversion?
JSON to CSV conversion takes an array of JSON objects and transforms it into comma-separated values where each object becomes a row and each unique key becomes a column header. This is one of the most common data transformation tasks when moving data between web APIs and spreadsheet tools like Excel or Google Sheets.
Common use cases
Developers and analysts export JSON to CSV to import API data into spreadsheets for reporting, prepare datasets for data visualization tools, create bulk-upload files for CRM and marketing platforms, and archive structured data in a universally readable format. CSV is supported by virtually every data tool in existence.
Frequently Asked Questions
What happens if JSON objects have different keys?
The converter collects all unique keys across every object in the array and uses them as CSV column headers. Objects missing a key will have an empty cell in that column.
Are special characters like commas handled in the CSV?
Yes. Values containing commas, double quotes, or newlines are automatically wrapped in double quotes per the CSV specification (RFC 4180). Double quotes within values are escaped by doubling them.