📊 Excel to CSV
Convert XLSX to CSV — Free & Private
Transform Excel spreadsheets into universal CSV format. Perfect for importing data into databases, data analysis tools, or any system that reads CSV files.
✓ Free forever✓ No upload✓ No signup✓ Instant
Ready to convert your spreadsheet?
100% in your browser · All rows & columns · Instant download
How to Convert XLSX to CSV
1
Open the Converter
Click "Convert Now" — opens with XLSX → CSV pre-selected.
2
Upload XLSX
Drag & drop your Excel file or click Browse to select it.
3
Convert
Conversion runs entirely in your browser — no server upload.
4
Download CSV
Your CSV file downloads automatically, ready to use anywhere.
Why Convert XLSX to CSV?
- ✓ Universal CSV format — works with virtually every data tool and platform
- ✓ Works with any spreadsheet tool — import into Google Sheets, databases, and more
- ✓ All rows & columns preserved — complete data fidelity in the output
- ✓ 100% private — files stay on your device, never uploaded to any server
- ✓ Free forever — no watermarks, no limits, no credit card
- ✓ Instant — browser-based conversion, results in seconds
Features
Private
Files never leave your browser. Zero server uploads.
Instant
Conversion completes in seconds, right in your browser.
Free
No account, no fee, no watermarks. Ever.
Batch Convert
Convert multiple XLSX files to CSV in one go.
Full Data
All rows and columns preserved with complete accuracy.
Mobile-Friendly
Works on any device — phone, tablet, desktop.
Frequently Asked Questions
Yes — completely free, no limits, no watermarks. Convertlo runs entirely in your browser.
No. All conversion happens locally in your browser. Your files never leave your device.
The converter processes your spreadsheet data and exports all rows and columns to CSV format.
Yes. The converter handles large XLSX files efficiently, processing everything directly in your browser.
Yes! Enable Batch Convert mode to process multiple Excel files at once, each producing a CSV output.