How do I convert CSV to XLSX?

Upload your CSV file, select XLSX as the target format, adjust settings if needed, and click Convert. Your file will be ready to download in seconds.

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CSVXLSX

Convert CSV to XLSX

Convert CSV data format files to XLSX format online for free. Fast, secure conversion with no software needed.

Processed on our servers · deleted after 1 hour

Up to 50 MB for CSV → XLSX. Paid plans raise this.

Converter

On our servers

Drop a file, or click to browse

Max 50 MB · images, data and subtitles stay in this tab

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Converting from CSV (data format) to XLSX (document) lets you use your content in a different context. Comma-separated values. Excel spreadsheet.