About CSV to Excel
Convert CSV and TSV text files into true Microsoft Excel (.xlsx) workbooks 100% client-side using in-browser ZIP packaging. Preserves numeric data types for immediate calculations.
Key Capabilities & Features
- Generates genuine binary Microsoft Excel (.xlsx) OpenXML workbooks without server upload
- Creates standard worksheet and shared string tables that open warning-free in Excel, Sheets, and Numbers
- Properly distinguishes numeric data cells from text labels for instant calculations
- Live Quick Column Stats Ribbon: instant Sum, Average, Min, Max, and Median calculations
- Formula Evaluation Bar with + Append Summary Row action
- Dual Desktop Spreadsheet Grid and Mobile Cards View for touch devices
- Zero registration required, unlimited file conversions with complete data privacy
How to Use CSV to Excel
Open CSV File
Select your CSV file from your computer or paste delimited rows.
Inspect Spreadsheet Grid
Verify your columns, review live column statistics, or evaluate formulas.
Download .XLSX
Click 'Export Excel (.xlsx)' to instantly save your genuine Excel workbook.
Privacy & In-Browser Execution Guarantee
100% client-side privacy. All calculations, parsing, and charting execute locally in your browser with zero server uploads.
Frequently Asked Questions
Is the generated file a real .xlsx or just a renamed CSV?
It is a genuine Microsoft Office OpenXML (.xlsx) zip package containing sheet XML and shared string tables that opens cleanly in Microsoft Excel, Google Sheets, and Apple Numbers without warnings.
Can I calculate totals before exporting to Excel?
Yes! Use the Formula Evaluator bar to compute =SUM() or =AVG() and append a summary row before downloading.