CSV to Excel

Convert CSV files to Excel XLSX format with automatic formatting

Max file size: 10MB
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Free Online CSV to Excel Converter - Convert CSV to XLSX Format

Why Use Our CSV to Excel Converter?

Our CSV to Excel converter is a powerful free online tool that allows you to instantly transform Comma Separated Values (CSV) files into professional Excel spreadsheets (XLSX format). Whether you need to convert CSV to Excel for data analysis, create formatted reports, or simply make your data more presentable, our tool handles the conversion with automatic column sizing, header formatting, and custom sheet naming.

Simply upload your CSV file, choose your delimiter and options, then click "Convert to Excel" to get your professionally formatted XLSX file instantly. Perfect for business professionals, data analysts, and anyone working with spreadsheets!

Key Features

  • Professional formatting - Auto column width, header styles
  • Custom delimiters - Comma, semicolon, tab, or pipe
  • Encoding support - UTF-8, Windows-1251 for international data
  • Custom sheet names - Name your Excel sheets as needed
  • Free to use - No registration or subscription required
  • Secure & Private - Files automatically deleted after processing

Lightning Fast

Convert CSV to Excel instantly with professional formatting

100% Secure

Your CSV files are processed securely and automatically deleted

Excel Ready

CSV to XLSX conversion optimized for Microsoft Excel, Google Sheets

How to Convert CSV to Excel Online

  1. Upload your CSV file - Select a CSV file containing your data (max 10MB).
  2. Choose delimiter - Select the separator used in your CSV (comma, semicolon, tab, or pipe).
  3. Set encoding - Choose UTF-8 (default) or Windows-1251 for proper character display.
  4. Name your sheet - Optionally customize the Excel sheet name (default: "Sheet1").
  5. Check header option - Enable "First row contains headers" for automatic header formatting.
  6. Click "Convert to Excel" - Our CSV to Excel converter will create your XLSX file instantly.
  7. Download XLSX file - Get your professionally formatted Excel spreadsheet ready to use.

Common Use Cases for CSV to Excel Conversion

Our CSV to Excel online converter is perfect for various business and data tasks:

  • Business Reports: Transform CSV exports into formatted Excel reports
  • Data Analysis: Convert raw CSV data to Excel for pivot tables and charts
  • Database Exports: Format database CSV exports as professional spreadsheets
  • Financial Data: Convert transaction logs and financial CSVs to Excel
  • Client Deliverables: Present CSV data in client-friendly Excel format
  • Data Migration: Prepare CSV data for Excel-based workflows

Benefits of Converting CSV to Excel (XLSX)

Why convert CSV files to Excel format?

  • Better formatting: Excel supports cell formatting, colors, fonts, and styles that CSV doesn't
  • Multiple sheets: XLSX files can contain multiple worksheets, unlike simple CSV files
  • Formulas and functions: Add calculations and Excel formulas to your data
  • Charts and graphs: Visualize your data with Excel's built-in charting tools
  • Data validation: Apply dropdowns, date pickers, and input restrictions
  • Better compatibility: XLSX is widely supported by Microsoft Excel, Google Sheets, LibreOffice
Pro Tip: When converting CSV to Excel, use semicolon delimiter if your data contains commas (common in European formats). Enable "First row contains headers" to automatically format the first row as bold headers in Excel. Choose Windows-1251 encoding if your CSV contains Cyrillic or special characters to ensure proper display. Our tool automatically adjusts column widths for optimal readability in Excel and Google Sheets.

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