Spreadsheets are great for editing, but apps and code work better with structured data. This free xlsx to json converter turns the rows of your spreadsheet into a JSON file you can use in a project or feed into another tool. Only data values are converted, not formulas, charts, or cell formatting. Your file never leaves your browser, so nothing is uploaded or stored anywhere.

How to Use the XLSX to JSON Converter

Turn a spreadsheet into JSON in three quick steps.

1Drop your XLSX file

Drag your spreadsheet into the box above, or click it to pick one file from your device.

2Convert it to JSON

Click the Convert button and your sheet rows are reshaped into structured JSON in your browser.

3Download the JSON file

Download the finished JSON file and use it in your code, app, or data tool.

Why Choose Our XLSX to JSON Converter

Built for developers and data handlers who need clean JSON fast.

Free, no signup

Convert spreadsheets to JSON without an account or payment.

Private by design

Your spreadsheet never leaves your device.

Structured output

Rows become JSON objects you can read and reuse.

Works everywhere

Any modern browser, on phone or computer.

XLSX to JSON Converter FAQs

Short, direct answers to the questions readers ask most.

Yes, completely free, with no account and no hidden limits.

No. Only the data values in your cells are converted, so formulas, charts, and formatting are not preserved.

You can use it in code, import it into an app, or pass it to another data tool that reads JSON.

Yes. Open this page on your phone’s browser, pick an XLSX file, and download the JSON.