SPREADSHEET
CSV→XLSXConverter
Convert your CSV files to XLSX format instantly. Free, fast, and secure - your files never leave your browser.
↔ Convert XLSX to CSV insteadDrop file or click to browse
Max 100MB • Auto-deletes after 3 min
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How to Convert CSV to XLSX
1
Upload Your File
Drag & drop your CSV file or click to browse
2
Convert
Click convert and wait a few seconds
3
Download
Download your converted XLSX file
About CSV to XLSX Conversion
What is CSV?
CSV (csv) is a spreadsheet format commonly used for storing and sharing spreadsheet content.
What is XLSX?
XLSX (xlsx) is a spreadsheet format known for its compatibility and quality.
Why Convert?
Converting CSV to XLSX can improve compatibility, reduce file size, or meet specific requirements.