CSV ↔ Excel Converter

Convert between CSV and Excel formats. Upload files or paste CSV data directly for instant conversion.

Read the Guide
CSV Input
0 characters0 lines
Excel Output

Enter CSV data to convert

0 characters0 lines

CSV Support

Supports standard CSV format with commas, quotes, and multi-line values.

Excel Format

Creates .xlsx files compatible with Excel, Google Sheets, and more.

Bidirectional

Convert CSV to Excel or Excel to CSV with a single click.

CSV to Excel (XLSX) Converter

Convert CSV files to Excel (XLSX) format easily. Our tool ensures your data formatting is preserved and automatically handles large datasets for seamless opening in Microsoft Excel.

Key Features

✓Convert single or multiple CSVs to Excel
✓Preserves UTF-8 encoding for special characters
✓Auto-detects delimiters and data types
✓No file size limits (processed locally)
✓Download instantly as .xlsx

100% Private & Secure

All processing happens directly in your browser. Your data never leaves your device — we don't upload, store, or have access to any of your content.

Instant & Offline-Ready

No server roundtrips means instant results. Once this page is loaded, the tool works even without an internet connection.

Related Tools