Convert Excel to JSON

JSON

Turn a spreadsheet into JSON for APIs, apps and websites — each row becomes an object, each column a key.

No uploadInstant & freeWorks offline

Drop an Excel file (XLSX, XLS, ODS)

or click to browse

How to use the Convert Excel to JSON

How are empty cells handled?

Empty cells become null, so every object has the same keys.

Is my data sent anywhere?

No. Everything is calculated in your browser on your own device — nothing you type or upload is sent to a server.