JSON to Excel Converter Online Free — JSON to XLSX

Q: What structure should my JSON input have?

Input should ideally be an array of objects (e.g. `[{"name": "Alice", "role": "Admin"}]`). The tool maps object keys to Excel column headers.

Q: How are nested objects handled in the spreadsheet?

Nested objects and arrays are serialized as readable JSON strings within their respective table cells.

Q: Is there a limit on JSON size?

You can convert large JSON files within your browser memory limits with fast local execution.

JSON to Excel

JSON Payload

View key capabilities & tips

Convert structured JSON data arrays into clean, formatted Microsoft Excel (.xlsx) spreadsheets. Paste JSON text or arrays to generate downloadable Excel workbooks instantly.

Key capabilities:

Extracts object keys automatically to build spreadsheet column headers
Generates styled XLSX files compatible with Excel, Google Sheets, and LibreOffice
Handles nested object properties and arrays gracefully
Client-side generation executes inside your browser without API calls

Tips:

Input data should ideally be an array of JSON objects (e.g., `[{"id": 1, "name": "Item"}]`).
Check for consistent property keys across all objects to ensure complete column mapping.
Open the downloaded XLSX file to format column widths and numbers as needed.

JSON to Excel FAQ

What structure should my JSON input have?

How are nested objects handled in the spreadsheet?

Is there a limit on JSON size?

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JSON to Excel FAQ