FREE JSON TO CSV

Convert JSON to CSV for Free

Turn JSON objects and arrays into table-ready CSV text in your browser.

Your input and result are never uploaded or stored.

  1. 1Enter data
  2. 2Convert in browser
  3. 3Use result

1 · Enter data

Enter JSON

Your input and result are never uploaded or stored.

Paste one object or an array of objects, or load a JSON file.

0 characters · 0 bytesJSON, TXT · up to 5 MB

2 · Convert in browser

CSV conversion rules

Different keys become a combined header. Nested objects and arrays stay as JSON text in one cell.

3 · Use result

CSV result

Convert JSON to see CSV here.

FREE JSON TO CSV GUIDE

How to convert JSON to a CSV file

Finish the task in three browser-only steps.
1

Enter JSON

Paste an object or array of objects.

2

Convert to CSV

Keys become columns and objects become rows.

3

Use the result

Copy CSV or download a UTF-8 file.

PRIVATE LOCAL DATA CONVERSION

Your file stays on your device

Only the conversion work runs in a separate browser thread.

No server upload

Input and output stay only in browser memory.

Web Worker

Conversion runs away from the main interface.

Standard text output

Copy or download without extra software.

FREE JSON TO CSV FAQ

JSON to CSV FAQ

Review formats, privacy, and conversion rules.
1Is JSON uploaded to a server?

No. JSON and CSV are processed only in browser memory.

2Which JSON shapes are supported?

One object or an array containing only objects.

3What happens to nested values?

Nested objects and arrays are kept as JSON text inside one CSV cell.

4Does the download support Unicode?

Yes. The CSV download includes a UTF-8 BOM for spreadsheet compatibility.