FREE · DEVELOPER TOOLS
JSON to CSV.
Flatten nested JSON records and select columns before exporting CSV.
How to use JSON to CSV
Enter or choose the required input, adjust the settings, then generate and review the result. [{"person":{"name":"Alex"}}] becomes a person.name column.
How it works
Flatten nested JSON records and select columns before exporting CSV. 200,000 characters and 5,000 records; nested arrays become JSON strings. Inputs stay on your device. Review the preview or output before using it; refresh the page to clear the current working session.
Example
[{"person":{"name":"Alex"}}] becomes a person.name column.
Questions about JSON to CSV
Is JSON to CSV free, and do I need an account?
Yes. This tool is free to use in your browser without an account. Processing takes place on your device.
What are the limits and what should I check?
200,000 characters and 5,000 records; nested arrays become JSON strings. Review the result before using it in your work.
Is my input sent to a server?
Your input is processed in your browser and is not uploaded by this tool. Files and pasted text are cleared when the page is refreshed. Normal website requests are still required to load the page and its libraries. Read the privacy explanation.