CSV to Excel
Convert CSV to Excel (XLSX) online — preserve column order, headers, and data types in a downloadable spreadsheet.
Free for files up to 5 MB and 10,000 rows. Files are processed in your
browser — nothing is uploaded to a server. No account required.
About CSV to Excel Converter
Convert CSV files to properly formatted Excel spreadsheets (.xlsx) with headers, auto-sized columns, and correct data types.
Share data with colleagues who prefer Excel, or prepare files for tools that require XLSX format. No Microsoft Office needed.
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