Convert Excel to CSV Online
Convert Excel to CSV online, free and private: your data never leaves your browser. Drop an XLSX, XLS, XLSM or XLSB file, edit in a real spreadsheet grid, then export CSV with comma, semicolon, tab or pipe delimiters.
Drop a CSV or Excel file here
CSV · XLSX · XLS · XLSM · XLSB
Ready to download as a binary file.
How to convert Excel to CSV
Three steps from workbook to a clean CSV file.
1. Upload Excel
Drop an XLSX, XLS, XLSM or XLSB file, or paste cells copied straight from Excel.
2. Edit in the grid
Fix values, reorder columns, add rows. The output updates in real time as you edit the spreadsheet.
3. Download CSV
Pick a delimiter, then copy or download the CSV. Your data never left your browser.
Need this conversion in your own app?
The file parsing behind this page is powered by TabularJS: a zero-dependency JavaScript library that converts spreadsheet files to JSON in Node.js and the browser. 16+ formats, formulas, styles and merged cells included.
Frequently asked questions
Is this Excel to CSV converter free?
Yes. No account, no sign-up, no watermark. Open the page and start converting.
Is my data private?
Yes. Everything runs in your browser. Your Excel file is read and processed on your device. Nothing is uploaded, nothing is logged.
What happens to Excel formulas?
Formulas are evaluated and their computed values are included in the output. The formula itself is not exported.
Does it support multi-sheet workbooks?
Yes. Each sheet appears as a tab in the spreadsheet grid. The output uses the currently active sheet.
Which delimiters are supported?
Comma, semicolon, tab and pipe. Cells containing the delimiter, quotes or line breaks are quoted and escaped automatically.
Can I embed this converter in my own app?
Yes. The engine that powers this page is the TabularJS JavaScript library. You can embed it in React, Vue, Angular or plain JavaScript.