CSV to XLSX Converter
Easily convert your CSV files to the XLSX format. Our tool is fast, secure, and preserves the quality of your files, all within your browser.
Drop your files here
Or click to browse • All major formats supported • Max 100MB per file
Input Format
CSV
CSV (Comma-Separated Values) is a plain text format used to store tabular data. Each line represents a row, with columns separated by commas. CSV is simple, lightweight, and compatible with almost all spreadsheet and database applications, making it a common format for data exchange.
Output Format
XLSX
XLSX is the standard spreadsheet format used by Microsoft Excel. It supports complex calculations, charts, pivot tables, and data analysis tools. Based on the Office Open XML format, XLSX files are used in finance, research, education, and business for organizing and analyzing data.
Why Convert from CSV to XLSX?
Improved Compatibility
Convert to XLSX to ensure your files play on a wider range of devices, platforms, and software.
Optimized for Use
Whether for web streaming, editing, or sharing, XLSX might be the better format for your specific needs.
Future-Proofing
Switch to a more modern or standardized format like XLSX to ensure long-term accessibility of your media.
How to Convert CSV to XLSX
- 1
Select Your File
Drag and drop your CSV file into the converter area, or click to browse and select it from your device.
- 2
Choose Output Format
The output format is automatically set to XLSX. You can convert to other formats if needed.
- 3
Convert and Download
Click the 'Convert' button. Once the process is complete, your new XLSX file will be ready for download.