XLSX to CSV Converter
Quickly convert your Excel (.xlsx, .xls) files to CSV format. The entire conversion process is done securely in your browser—no files are uploaded to any server.
Input & Controls
CSV Output
Lines: 0Characters: 0
About the XLSX to CSV Converter
The XLSX to CSV Converter is a privacy-focused tool designed for converting Microsoft Excel spreadsheets into the universally compatible CSV (Comma-Separated Values) format. Unlike other online converters that require you to upload your files, this tool uses modern browser technologies to perform the entire conversion on your local machine. Your data never leaves your computer, ensuring complete privacy and security. It's the perfect solution for quickly preparing data for import into databases, other spreadsheet programs, or data analysis tools.
How to Use the Tool
- Choose File: Click the "Choose Excel File" button and select an `.xlsx` or `.xls` file from your computer.
- Automatic Conversion: The tool will automatically read the file and convert the contents of the *first sheet* into CSV format.
- Review and Copy: The resulting CSV data will appear in the output box on the right. You can review it and copy it to your clipboard.
- Download: Click the "Download" button to save the output as a new `.csv` file on your computer.
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