CSV to Excel Converter
Upload a CSV file or paste CSV data to convert it to an Excel spreadsheet (XLSX). Preview and download. 100% client-side.
Drop your CSV file here or click to upload
Supports .csv, .tsv, .txt files
How to Convert CSV to Excel
Upload a CSV file or paste CSV text directly, preview the data in a table, and download as an XLSX file compatible with Microsoft Excel, Google Sheets, and LibreOffice Calc. All processing happens in your browser.
Features
- Upload CSV file or paste CSV text directly
- Support for comma, semicolon, tab, and pipe delimiters
- Preview data in a table before converting
- Download as valid XLSX file (Office Open XML)
- Numbers are detected and stored as numeric values
- 100% client-side - your data stays in your browser
Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.