CSV to Excel

Convert CSV to Excel (.xlsx) with table preview

🔒 Files never leave your browser

CSV Input

How to Use CSV to Excel

Upload CSV

Paste CSV data or upload a .csv file.

Preview

See the data in table format.

Download

Download as .xlsx Excel file.

Why Choose AllTools CSV to Excel?

  • ✓ 100% free
  • ✓ Data never leaves your browser
  • ✓ Table preview
  • ✓ Delimiter detection
  • ✓ Download .xlsx
  • ✓ SheetJS powered

Related Resources

JSON to Excel → Excel to CSV → CSV to JSON →

Frequently Asked Questions

Is this converter free? ▼
Yes, completely free.
Does this work on mobile? ▼
Yes, fully responsive.
Is there a file size limit? ▼
No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.
Which browsers are supported? ▼
All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.
Can I use this offline? ▼
Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.
Is my data secure? ▼
Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.

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