XLSX to CSV
Convert XLSX files to CSV in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert XLSX to CSV?
- CSV is the universal format for importing data into databases, CRM and online services.
- Convert in a few seconds right in your browser, without installing software.
You don't need to install any software to convert XLSX to CSV. Upload your file, choose CSV and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
XLSX vs CSV: comparison
| Feature | XLSXMicrosoft Excel Open XML Workbook | CSVComma-Separated Values |
|---|---|---|
| Developer | Microsoft | — |
| Released | 2007 | — |
| Type | spreadsheet | spreadsheet |
| Editable content | ✓ yes | ✓ yes |
| Opens with | Microsoft Excel, LibreOffice Calc, Google Sheets | Microsoft Excel, Google Sheets, Notepad |
Tip: CSV files are saved as UTF-8, so non-Latin characters display correctly.
How it works
- Choose or drop your XLSX file.
- Pick CSV as the output format.
- Click “Convert” and download your file.
XLSX to CSV: questions and answers
Will quality be lost when converting XLSX to CSV?
Text, tables and images are kept. Very complex layouts or rare fonts may shift slightly.
How long does XLSX to CSV conversion take?
Usually 1–10 seconds. Several files are processed in parallel.
What is the maximum XLSX file size?
Up to 50 MB per file and up to 20 files at once — for free.
Can I convert XLSX to CSV on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a CSV file?
CSV files open in: Microsoft Excel, Google Sheets, Notepad.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert CSV to XLSX →