1
Upload JSONChoose the JSON file you want to convert.
2
Review File
3
Convert to XLSX
4
Download XLSX
spreadsheet Converter• 100% Client-Side

JSON to XLSX Converter

Create genuine Excel spreadsheets from JSON arrays.

json→xlsx

Drop JSON file(s) here, or browse

Supports single or multiple batch conversion

Private by Design

Your files are processed directly on your device using WebAssembly, HTML5 Canvas, and client-side runtimes.

No server upload No cloud copy 100% local processing
How To Convert

How to Convert JSON to XLSX

Step 1

Upload JSON

Choose the JSON file you want to convert.

Step 2

Review File

Check the file information and conversion options.

Step 3

Convert to XLSX

Start the local JSON to XLSX conversion.

Step 4

Download XLSX

Download your converted XLSX file.

Frequently Asked Questions

Questions about JSON to XLSX Conversion

Can it handle nested JSON?

Yes, nested objects are cleanly mapped into spreadsheet columns.

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