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Export Excel sheets as CSV or JSON.
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Excel to CSV converts a sheet from an Excel workbook into CSV or JSON. Choose an .xlsx, .xls or .csv file, select the sheet you want from the list, and check the first rows in the preview before exporting. CSV output keeps the sheet’s rows and columns; JSON output is an array of objects that uses the first row as keys. Cells are exported as the values the workbook displays, so formulas come out as their results. Copy the output or download it as a file named after the workbook and sheet. The workbook is read in your browser and never uploaded.
Choose a workbook
Press Choose workbook and pick an .xlsx, .xls or .csv file from your device.
Pick the sheet and format
Select a sheet from the Sheet list and set Output to CSV or JSON. The preview and output update straight away.
Copy or download
Press Copy output, or Download to save a file named after the workbook and sheet.
Pick each sheet from the Sheet list and download it in turn. Sheets are exported separately, so you get one CSV or JSON file per sheet.
Their results. Each cell is exported as the value the workbook displays, including its number and date formatting, rather than the underlying formula.
An array of objects, one per row, with the first row of the sheet used as the keys. Values are exported as text, and empty cells become empty strings.
Yes. Both modern .xlsx and older .xls workbooks are supported, as well as plain .csv files.
Yes. Excel to CSV is completely free, with no account, no paywall, and no usage limits.
No. Excel to CSV works instantly in any modern web browser — there is no software to install, no extension, and no sign-up.