About this Tool

This tool converts Comma Separated Value (.csv) files into Microsoft Excel Open XML Spreadsheet (.xlsx) format directly in your browser.

• Files are processed locally; no data is uploaded to any server.
• Maximum upload file size is 5MB.
• Basic validation is performed, but ensure your CSV is well-formed for best results.
• Characters like < > " ' ` = are removed from data during conversion as a basic security measure.