💻 Excel to JSON

Convert Excel spreadsheets (XLSX) into structured JSON arrays.

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Excel to JSON runs entirely in your browser. Enable JavaScript to use the interactive tool — your files are processed locally and never uploaded.

What is Excel to JSON?

Excel to JSON converts spreadsheet data into structured JSON arrays for use in programming and APIs.

How to Use Excel to JSON

  1. Upload an Excel file
  2. Click Convert to JSON
  3. Download the JSON file

Why Use Our Excel to JSON?

  • Convert spreadsheets to JSON arrays instantly
  • No backend required
  • Great for developers

Common Use Cases

  • Mocking API data from spreadsheets
  • Converting tabular data for NoSQL databases

Frequently Asked Questions

  • Yes, 100% free with no limits, no signup, and no watermarks.
  • No. Everything runs locally in your browser — your file never leaves your device.
  • The first row becomes object keys and every following row becomes one JSON object.