Free tool · JSON in · XLSX out
JSON to Excel converter
Turn a JSON array into an Excel workbook with one Data tab. A flat array of objects gets a header row; an array of arrays keeps its original row structure.
Paste the data instead
Choose a file, paste data, or try the example to preview the result.
Preview
How it works
- ChooseTurn a JSON array into an Excel workbook with one Data tab. A flat array of objects gets a header row; an array of arrays keeps its original row structure.
- PreviewCheck the result in the preview before downloading. Input files stay on your device.
- DownloadOnly flat records are supported. Null becomes a blank cell. JSON numbers may already have lost precision before conversion; encode long identifiers as strings.
Questions
Will identifiers keep their zeros?
Yes. JSON strings stay text, including 00123 and numeric-looking strings. JSON numbers and booleans retain their types. A numeric JSON value that already lost precision cannot be recovered.
Is my file uploaded?
No. The file is read and processed by JavaScript in your browser. No account is needed.
What are the limits?
Only flat records are supported. Null becomes a blank cell. JSON numbers may already have lost precision before conversion; encode long identifiers as strings. Text input is limited to 25 MB and tables to 200,000 cells.
Keep going
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