CSV to Excel Converter
Upload a CSV file and download it as an Excel (.xlsx) spreadsheet. Preserves all your data, headers, and structure.
Drop your CSV file here
Convert your CSV files to Excel spreadsheet format
Supports .csv, .tsv, and .txt files up to 10MB
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Validation runs on our server. The platform may use temporary storage during upload; the uploaded file is discarded after processing, and shareable validation metadata expires after 24 hours.
Why Convert CSV to Excel?
While CSV files are great for data exchange, Excel spreadsheets offer formatting, formulas, charts, and better visualization. Converting your CSV to Excel makes it easier to analyze data, create reports, and share with colleagues who prefer working in Microsoft Excel or Google Sheets.
How the Conversion Works
Our converter reads your CSV file, auto-detects the delimiter and encoding, then creates a formatted .xlsx file. Headers and cell text are preserved; CSV values are not inferred as numbers, dates, or other data types. The upload is discarded after processing, and the output is kept for up to 1 hour for download.
Frequently Asked Questions
Will the Excel file preserve my column headers?
Yes. The first row of your CSV is treated as the header row and is preserved as-is in the Excel file. Each header becomes a column name in the resulting .xlsx spreadsheet.
What is the maximum file size for conversion?
Files up to 10MB are supported. For most business datasets this covers hundreds of thousands of rows. If your file exceeds 10MB, consider splitting it or removing unused columns before uploading.
Can I open the output file in Google Sheets?
Yes. The .xlsx file produced is fully compatible with Google Sheets, LibreOffice Calc, Apple Numbers, and all versions of Microsoft Excel. Simply upload or drag-and-drop it into any of those applications.