Data

JSON to Excel Converter

Share API JSON as Excel files without a backend. Processing stays on your device — no upload, no account.

How to use JSON to Excel Converter

  1. Paste a JSON array of objects.
  2. Convert to an Excel workbook.
  3. Download the .xlsx file.

Why use this free json to excel tool?

  • All processing happens locally in your browser. Your files are never uploaded to a server.
  • SheetJS workbook write.
  • Friendly for non-technical sharing.
  • Works from API sample payloads.

Technical details

We build a worksheet from object keys/rows and write an XLSX via SheetJS. Nested objects are stringified into cells - flatten for clean columns.

JSON to Excel Converter FAQ

Is JSON uploaded?

No. All processing happens locally in your browser. Your files are never uploaded to a server.

Array required?

Yes - an array of objects produces the best tables.

Formulas?

This export focuses on values, not Excel formulas.

Row limits?

Extremely large arrays may strain browser memory.

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