Excel to JSON Converter
Convert XLSX to JSON.
This Excel to JSON converter turns .xlsx, .xls and .ods files into a clean JSON array of objects — each row keyed by the header row, with a pretty or minified toggle. Everything runs in your browser, so your data is never uploaded. Copy or download the JSON in one click.
How to use Excel to JSON Converter
The Excel to JSON Converter turns a spreadsheet into a JSON array of objects — perfect for APIs, config and code. Each row becomes an object keyed by the header row. It runs entirely in your browser, so your data stays private.
- 1Drop your .xlsx, .xls or .ods file onto the page.
- 2Choose a sheet, and toggle pretty or minified output.
- 3Copy the JSON or download it as a .json file.
Header-keyed
Each row becomes an object keyed by your header row.
Pretty or minified
Toggle indented output for reading or compact output for code.
Private
Runs entirely in your browser — nothing is uploaded.
Turn a spreadsheet into API data
Convert an Excel list of records into a JSON array you can serve from an API or drop into a mock.
Seed a database or app
Get JSON you can import as fixtures, config or seed data for a web app.
Move data into code
JSON pastes straight into JavaScript, Python or anywhere — no spreadsheet parsing libraries required.
Inspect rows as objects
Seeing each row as a keyed object makes it easy to spot the field names and structure of your data.
Excel to JSON Converter — frequently asked questions
How is the JSON structured?
As an array of objects — one per row — with keys taken from the header row of the sheet.
Can I pick a sheet?
Yes, multi-sheet workbooks show tabs so you can convert any sheet.
Is my data uploaded?
No — the conversion happens on your device.
Is it free?
Yes, completely free.
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Send it to someone who needs it or save the link for later.