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Free Online JSON to CSV

Export an array of flat objects as RFC-style CSV.

Your input stays on this device. Processing is bounded; regex runs in a worker with a two-second timeout.

Result



How to use JSON to CSV
Export an array of flat objects as RFC-style CSV. Use flat objects. Nested values are rejected. Cells beginning with =, +, - or @ are prefixed with an apostrophe to reduce spreadsheet formula injection risk.
  1. Set Input.
  2. Run the tool, review the result and its stated limitations, then copy or download if needed.
Example & practical use
Export an array of flat objects as RFC-style CSV. The example below demonstrates Input.
Example input:
{
  "text": "[{\"a\":\"x,y\",\"b\":2}]"
}
Expected result (relevant fields):
"\"a\",\"b\"\r\n\"x,y\",\"2\""
Features & result limitations
Use flat objects. Nested values are rejected. Cells beginning with =, +, - or @ are prefixed with an apostrophe to reduce spreadsheet formula injection risk.
Frequently asked questions
What inputs does JSON to CSV accept?
Input
How should I interpret the JSON to CSV result?
Use flat objects. Nested values are rejected. Cells beginning with =, +, - or @ are prefixed with an apostrophe to reduce spreadsheet formula injection risk.
Where does JSON to CSV process my data?
Inputs are processed locally in your browser. Submitted text is not sent to external services. A successful-run event increments an aggregate tool counter without your input.