📗 Spreadsheet workbook extraction to flat table rows

Excel to CSV

Convert Excel spreadsheets into flat CSV data. Extracts specific tabs and sheets instantly. Your spreadsheets never leave your device.

Instructions: Upload a `.xls` or `.xlsx` workbook spreadsheet file, specify sheet selection options, and convert to flat CSV tables.

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Select or drop `.xlsx` or `.xls` spreadsheet files from your local storage.

The parser reads workbook sheets. Select which sheet tab to convert.

Instantly compile a clean flat CSV table. Safe processing in-browser.

Convert nested JSON objects and arrays into flat CSV tables.

Detect and fix nulls, duplicates, and formats in datasets.