JSON to Excel Converter
Turn JSON arrays into downloadable Excel spreadsheets with proper columns and typed cells.
Runs entirely in your browser — your data never leaves your device.
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How to use this tool
- 1Paste a JSON array of objects into the editor.
- 2Confirm the detected columns.
- 3Download the generated .xlsx file.
Frequently asked questions
- What format is the download?
- A standard .xlsx workbook that opens in Excel, Google Sheets, and Numbers.
- How are nested fields handled?
- Nested objects are flattened into dotted column headers so they map onto spreadsheet columns.
- Is my data uploaded to a server?
- No. Every tool on JSONPost runs entirely in your browser using JavaScript. Your JSON never leaves your device, so it is safe to use with private or sensitive data.
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