Free JSON to XLSX (Excel) Converter Online
Use this free JSON to XLSX converter to turn a JSON array into an Excel file. Fast, private, and works in your browser.
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What is JSON to XLSX?
JSON to XLSX converts a JSON array of objects into a downloadable Excel workbook, with keys as the header row. It is useful for delivering data as a spreadsheet. Conversion runs in your browser.
How to use this tool
- Paste a JSON array of objects.
- Click Convert to XLSX.
- Download the Excel file.
Features
- Convert a JSON array to .xlsx
- Object keys become the header
- Single-click download
- Validates JSON first
- Browser-based (no upload)
This tool runs in your browser. Your files and text are not uploaded to our servers, and we do not store your input.
Frequently asked questions
What JSON shape is expected?+
An array of objects, where each object is a row and keys are columns.
Is my data uploaded?+
No. The Excel file is created entirely in your browser.
What if my JSON is invalid?+
You will see an error so you can fix it before converting.
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