Excel to JSON

Turn a spreadsheet into JSON for an app, an API, a database import or an AI prompt - one object per row, keyed by the heading row.

Free · No sign-up · Your files are processed on your device and never uploaded

How to use Excel to JSON

  1. XLSXdata.xlsx
    1

    Choose your file

    Drop it on the page or pick it from your phone or computer.

  2. Convert to JSON
    2

    Press "Convert to JSON"

    Pick the options you want - the defaults suit most files.

  3. JSONdata.json
    3

    Download the result

    Ready in seconds. Your file never left your device.

How the JSON looks

  • A sheet becomes an array of objects: [{"Name": "Ravi", "Marks": 91}, ...].
  • With several sheets: {"Sheet1": [...], "Sheet2": [...]}.
  • Empty rows are skipped; formulas give their calculated values.

Questions

What if a heading is empty?

The column is named "Column 3" and so on, so no value is lost.

More convert

All tools →