Turn an .xlsx, .xls or .ods sheet into a JSON array — one object per row, keyed by your header row. Values stay text, so leading zeros and IDs survive. Runs in your browser.
Drop an Excel or ODS file. The first sheet is read locally.
Array of objects (header → key) or array of arrays. See a live preview.
Get a .json file ready for your app, API test or script.
Upload the .xlsx here, choose ‘Array of objects’ and click Download JSON. Each row becomes an object with your column headers as keys.
No — every value is kept as a string, exactly as shown in the sheet, so ZIP codes, phone numbers and IDs with leading zeros don't change.
The first sheet of the workbook. Move the sheet you need to the front, or save it as its own file.
They get a placeholder key like column_3 so no data is lost.
No. The conversion runs entirely in your browser.