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Excel to JSON Converter Online Free

Convert Excel spreadsheets (XLSX) to JSON format online for free. Export table data as structured JSON for APIs or web apps.

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Convert Excel to JSON Online

Export Excel spreadsheet data to structured JSON for APIs, web apps, or databases. Each row becomes a JSON object with keys from the header row.

How to convert Excel to JSON

  1. Upload your Excel file (XLSX or XLS).
  2. The first row provides JSON key names.
  3. Click Convert to generate JSON.
  4. Copy or download the output.

Frequently asked questions

Which sheet is exported?
The first or active sheet.
Are formulas exported?
Only computed values, not formulas.
What is the output structure?
A JSON array of objects with header-row keys.
Can I convert large files?
Yes. Processing is local without limits.