Spreadsheet Converter

Convert XLSX to JSON

Turn spreadsheet rows into a JSON array of objects — the first row becomes the keys, every other row becomes a record.

This conversion runs in this browser tab. The selected file is not uploaded for processing.

Private by defaultBrowser-firstNo signup for quick jobs
XLSXJSON

XLSX to JSON, step by step.

These steps describe the XLSX input and the JSON export for this exact route.

1

Upload XLSX File

Drag and drop your XLSX file or click to browse.

2

Convert to JSON

FileMorf processes the file locally in your browser whenever possible for fast, private conversion.

3

Download JSON

Save the converted JSON output immediately and continue with related workflows if needed.

What to expect

What matters for JSON output.

Review the behavior this XLSX to JSON tool is designed to preserve, expose, or simplify.

100% Private

All processing happens in your browser. Your files never leave your device.

Header-Aware Mapping

Column headers from the first row become JSON keys, producing an array of objects that drops straight into your code or API.

Free to Use

25 free conversions per day. No signup required for basic usage.

Questions about XLSX and JSON.

Check the format behavior, limitations, and follow-up options before processing a real file.

An array of objects, one per data row, with keys taken from the header row. A sheet with columns Name and Email becomes [{"Name": "...", "Email": "..."}, ...].

Related routes

Continue from JSON.

Choose another format only when it matches the next job.

Next step

Ready to process another XLSX file?

Start here again, or compare plans when the job needs server capacity, retention, or repeat automation.