XLSX to JSON
Convert Excel XLSX files to JSON
Drag & drop your file here
or click to browse. Max file size: 500MB
How to XLSX to JSON Online
- 1
Upload XLSX
Drag and drop your Excel .xlsx file into the converter.
- 2
Convert to JSON
Click Convert. The first worksheet becomes an array of JSON objects.
- 3
Download JSON
Download your JSON file or copy it straight into your project.
Why Use FileSwitch for XLSX to JSON?
- Headers from the first row become JSON keys
- Each row becomes an object
- Dates exported as ISO strings
- Clean, readable pretty-printed output
- No Excel installation required
Frequently Asked Questions
Which sheet is converted?
The first worksheet in the workbook is converted to JSON.
How are dates exported?
Date cells are converted to ISO 8601 strings, so they remain unambiguous and easy to parse.