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Converters

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

  1. 1Paste a JSON array of objects into the editor.
  2. 2Confirm the detected columns.
  3. 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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