JSON to CSV Converter
Turn JSON array keys into CSV headers, then copy or download
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🔒 Everything runs 100% in your browser. Your files and input are never uploaded to any server.
Paste an array of JSON objects and it converts them into CSV, using each object's keys as the header row. Choose a delimiter and copy the result, or download it as a UTF-8 CSV file that opens cleanly in Excel.
How to use
- Paste your array of JSON objects into the input box.
- Choose your preferred delimiter (comma, tab, semicolon, or pipe).
- Review the converted CSV.
- Grab the result with the 'Copy CSV' or 'Download CSV' button.
FAQ
- Is my JSON sent to a server?
- No. Conversion happens entirely in your browser, and your data is never transmitted or stored externally.
- What happens if objects have different keys?
- It gathers the keys from every object to build the header row and leaves any cell with no value blank.
- Non-English text looks garbled in Excel—why?
- The downloaded file includes a UTF-8 BOM, so non-Latin characters display correctly in Excel.