JSON to Excel Converter

Convert JSON data to Excel (XLSX) or CSV instantly

Paste Your JSON

JSON Data (array of objects)

About JSON to Excel Converter

Paste your JSON array and convert it to a downloadable Excel (.xlsx) or CSV file. The tool automatically detects column headers from your JSON keys. Nested objects are flattened using dot notation (e.g., address.city).

Supported Formats

Array of objects: [{"name":"John","age":30},{"name":"Jane","age":25}]
Nested objects are flattened: {"address":{"city":"Mumbai"}} becomes address.city
Download as XLSX (Excel) or CSV

Frequently Asked Questions

What JSON format is supported?

An array of objects works best. Nested objects are automatically flattened with dot notation.

Is my data uploaded to a server?

No. Conversion happens in your browser using SheetJS. Your data never leaves your device.

Can I download as CSV?

Yes! Download as either XLSX or CSV format.

Go deeper

Read the SnoopTool guide behind this tool

The calculator gives you the number. These SnoopTool guides explain the method, the assumptions and the decision — with worked examples, data tables and FAQs.

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