What is this Excel to CSV converter?
A free, browser-based tool that converts an Excel (.xlsx) sheet to CSV. Drop a workbook, pick a sheet, and copy or download the result. All processing happens locally in your browser, so your spreadsheet is never uploaded and no Excel installation is needed.
How to use it
- Drop an Excel (.xlsx / .xls) file, or click to choose one. It is read locally — nothing is uploaded.
- If the workbook has several sheets, pick the one to convert.
- Copy the CSV result or download it as a file.
How the data is mapped
- Each row of the selected sheet becomes one CSV record; cell values are exported as displayed.
- CSV quoting follows RFC 4180, so commas, quotes, and line breaks inside cells survive the round trip.
- Only the selected sheet is converted — pick another sheet from the dropdown to convert it too.
Example
Input (Excel)
Name Qty Apple 3 Orange 5
Output (CSV)
Name,Qty Apple,3 Orange,5
Excel vs CSV at a glance
| Format | Type | Structure | Best for |
|---|---|---|---|
| Excel | Binary spreadsheet (.xlsx) | Sheets of rows × columns with typed cells | Editing in Excel or Google Sheets |
| CSV | Plain text | One row per line, comma-separated values | Imports/exports across almost any tool |
