Convert Excel to JSON Online

Free online Excel to JSON converter - XLSX and XLS

Convert directly in your browser, with no upload waiting time, and no risk of data leaks.

Simply choose your Excel file and the tool will create a JSON file for you!

Choose Excel File to Convert

Excel File:
(Max 10M. Big than 10M?)

or drag & drop an Excel file here

Click here to get output JSON file

How to Convert Excel to JSON (3 Steps)

Choose your Excel file. Select an .xlsx or .xls workbook up to 10M.
Convert. The header row becomes the JSON keys and every following row becomes one JSON object.
Download the JSON. Save the .json file for your app, API or database import.

Online vs App

Same job, two ways — pick the one that fits your file:

	Online	App
Free	✓	Trial
No install	✓	—
No upload	✓	✓
Large files / batch	✗	✓
GUI	✓	✓
CLI	—	✓

In short: this page is best for a quick, small file. For large files or batch jobs, use the DataFileConverter desktop app — it also ships a command line for scripts and scheduled runs.

What to Know About Excel to JSON

The header row is used as the JSON property names.
Each worksheet row is converted into one JSON object inside an array.
Empty cells and UTF-8 text are preserved.
The conversion is local - your spreadsheet is not uploaded.

Frequently Asked Questions

What JSON shape is produced?

An array of objects, one object per spreadsheet row, with the header cells as keys.

Can I convert .xls files?

Yes, both .xlsx and .xls are supported.

Is the file sent to a server?

No, all parsing happens in your browser.

How much bigger is JSON than CSV? See our measured comparison: CSV vs JSON vs XML: file size and speed compared.

Need bigger files or batch conversion?

If this service cannot convert your data correctly, or your files are big than 10M, or you want a batch conversion, you can use Data File Converter to Convert Excel to JSON Offline.

Want to stay in the browser? Subscribe (from $5/month) to raise the online limits.

If you have any question or suggestion, please contact us.