How to Convert JSON to CSV Online for Free

Try it now: JSON to CSV →

JSON is the standard format for API responses and data exports, but it's not built for scanning through in a spreadsheet. Converting it to CSV turns nested objects and arrays into flat rows and columns you can sort, filter, and share with anyone, technical or not.

When you need JSON to CSV conversion

• Turning an API response into a spreadsheet for non-technical teammates to review
• Importing exported JSON data into a tool that only accepts CSV
• Quickly eyeballing a large array of records in table form instead of nested brackets
• Preparing data for a report or dashboard tool that expects tabular input

How to convert JSON to CSV, step by step

1. Open the JSON to CSV tool.
2. Paste or upload your JSON data.
3. The tool maps the fields into columns and rows.
4. Preview the resulting table to confirm the structure looks right.
5. Download the CSV file.

Tips for a clean conversion

• Flatten deeply nested JSON first if possible. Very nested objects can produce awkward column names in CSV — simpler, flatter JSON converts more cleanly.
• Validate the JSON first. If the conversion fails or looks wrong, run it through the JSON Formatter first to catch syntax issues.
• Check array fields carefully — arrays inside JSON objects don't map perfectly to single CSV cells, so review how they're represented in the output.

Common questions

Does this work with arrays of objects? Yes — an array of similarly structured objects converts cleanly, with each object becoming one row.

What happens to deeply nested fields? They're typically flattened into dot-notation column names or stringified, depending on the structure — review the preview to confirm it matches what you need.

Can I convert the CSV back to JSON later? Most spreadsheet and data tools can re-export CSV as JSON if you need to reverse the process later.

Need your JSON data as a spreadsheet? Convert JSON to CSV for free →