JSON to Excel Converter

Convert a JSON array or object into one XLSX worksheet. Best for flat records, with guidance for nested data and invalid JSON.

How to use this tool

1. Select the supported file or files.
2. Review the available options.
3. Run the tool and download the result.
4. Open the output and verify important data.

What this tool does

Convert a JSON array, or one JSON object, into a single Excel worksheet.

Important output limits

Flat records work best. Nested objects are not automatically normalized into relational tables.

Frequently asked questions

Are files uploaded to an application server?

Spreadsheet contents are processed in the current browser tab.

What should I check after download?

Flat records work best. Nested objects are not automatically normalized into relational tables.

Can I use this on a phone?

The interface works in modern mobile browsers, but large files may exceed device memory.

Should I keep the original file?

Yes. Keep a backup and verify generated output before relying on it.