XLSX to CSV Converter

Convert Excel XLSX files to CSV format. Fast, secure, and completely client-side conversion with customizable delimiter options.

How It Works

Upload XLSX File

Select your Excel XLSX file from your device. The tool supports both modern .xlsx and legacy .xls formats.

Configure CSV Options

Choose your preferred CSV delimiter (comma, semicolon, tab, or pipe) and select which sheet to convert if multiple sheets exist.

Download CSV

Preview the converted CSV data and download the file instantly. Data integrity is preserved throughout the conversion.

Frequently Asked Questions

What Excel file formats can I convert?

You can convert both modern Excel files (.xlsx) and legacy Excel files (.xls). The tool automatically detects and processes both formats.

Can I choose different CSV delimiters?

Yes, you can choose from comma (,), semicolon (;), tab, or pipe (|) delimiters. This ensures compatibility with different systems and regional preferences.

How are multiple sheets handled?

If your Excel file contains multiple sheets, you can select which sheet to convert. Each sheet will be converted to a separate CSV file if you choose to convert all sheets.

Will formulas be converted?

The tool converts the calculated values of formulas, not the formulas themselves. This ensures your CSV contains the actual data values.

How are special characters handled?

Special characters and Unicode text are properly preserved during conversion. The output CSV uses UTF-8 encoding to maintain data integrity.

Is there a limit on file size?

The tool can handle Excel files up to 50MB. For larger files, consider splitting your data across multiple smaller workbooks.

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