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Convert CSV to Excel

Transform plain data into professional spreadsheets

CSV XLSX

Converting...

Drag & drop your CSV files

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Supports: .csv • Max 50MB per file

Selected Files 0

Why Convert CSV to Excel?

CSV is great for data storage, but Excel unlocks powerful features. Converting to Excel gives you formatting, formulas, charts, and the full spreadsheet experience that makes data analysis and presentation professional.

Professional Formatting

Apply colors, fonts, borders, and cell styles to make your data visually appealing. Create professional reports that impress clients and stakeholders.

Formulas & Functions

Add SUM, AVERAGE, VLOOKUP, and hundreds of other Excel functions. Transform raw CSV data into calculated, analyzed spreadsheets.

Charts & Visualizations

Create bar charts, pie charts, line graphs, and more from your data. Visual representations make trends and patterns instantly clear.

Multiple Worksheets

Organize related data across multiple sheets in one workbook. Keep projects organized with tabs for different data views.

Sorting & Filtering

Excel's powerful sort and filter tools let you analyze data dynamically. Find patterns and insights that plain CSV can't reveal.

Instant Conversion

Browser-based processing converts your CSV files to Excel in seconds. No waiting, no uploads to servers, completely private.

Professional

Unlock the full power of spreadsheet software.

CSV files store data as plain text—functional but limited. Converting to Excel format (.xlsx) opens up Microsoft Excel's complete feature set: conditional formatting, pivot tables, data validation, and cell protection. Your data becomes a powerful analytical tool.

Whether you're preparing financial reports, analyzing sales data, or creating dashboards, Excel format gives you the professional tools that CSV simply cannot provide. One conversion unlocks unlimited possibilities.

Create stunning visualizations from your data.

Raw CSV data is hard to interpret. Excel transforms numbers into compelling visual stories with charts, graphs, and sparklines. Create professional presentations, reports, and dashboards that communicate insights at a glance.

From simple bar charts to complex pivot charts, Excel's visualization tools help you spot trends, compare values, and present data in ways that drive decisions. Your CSV becomes a powerful communication tool.

Your data stays private on your device.

CSV files often contain sensitive business data—customer lists, financial records, proprietary information. Our converter processes everything locally in your browser using the SheetJS library. Your files never upload to any server, ensuring complete confidentiality.

This client-side approach also means instant conversion without network delays. Convert confidential spreadsheets with confidence, knowing your data remains under your complete control throughout the process.

Frequently asked questions.

Yes! Your CSV columns and rows convert directly to Excel columns and rows. The data structure remains exactly the same—each comma-separated value becomes its own cell in the spreadsheet.
We output modern .xlsx format (Excel 2007+), which is compatible with Microsoft Excel, Google Sheets, LibreOffice Calc, and virtually all spreadsheet applications. It's the most widely supported Excel format.
Our converter handles UTF-8 encoded CSV files, preserving special characters, accents, and international text. If your CSV uses different encoding, ensure it's saved as UTF-8 before converting.
Yes! Upload multiple CSV files and each will be converted to a separate Excel file. Download them individually or as a ZIP archive containing all your converted spreadsheets.
Our converter automatically handles comma-separated values (the standard CSV format). Files using other delimiters like semicolons or tabs may need preprocessing before conversion.
No. All processing happens locally in your browser using the SheetJS library. Your CSV files never leave your device, ensuring complete privacy for sensitive business data.