File ConversionData Format ConversionFree Tool
JSON to CSV
Convert a JSON array of objects into CSV, with column headers taken from the keys of the first object.
How to Use JSON to CSV
- 1Paste your JSON array of objects
- 2The CSV output is generated automatically
- 3Copy the result
Frequently Asked Questions
An array of flat objects, e.g. [{"name":"Alice","age":30}, {"name":"Bob","age":25}] — a single object (not in an array) is also accepted and treated as one row.
The keys of the first object in your array — if later objects have different or extra keys, only the first object's keys are used as columns.
Not meaningfully — CSV is inherently flat, so a nested object or array value would be stringified rather than expanded into its own columns.
No — the conversion happens entirely in your browser.
Related Tools
CSV to JSON
Convert CSV text into a JSON array of objects, with keys taken from the first (header) row — paste your CSV, no file upload needed.
JSON to XML
Convert JSON into XML, recursively turning each key into a matching tag — objects become nested elements, arrays repeat the tag for each item.
JSON to YAML
Convert JSON to human-readable YAML, recursively mapping objects to indented key blocks and arrays to dash-prefixed lists.
JSON to HTML
Convert a JSON array of objects into an HTML <table>, with column headers taken from the keys of the first object.