Free CSV to Excel Converter

Convert CSV data into an Excel (.xlsx) spreadsheet.

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  • 🔒 Files never leave your device
  • ⚡ Converted in your browser
  • ✅ No account required

CSV to Excel Converter: The Complete Guide

Paste CSV data and download a real Excel (.xlsx) spreadsheet. Columns and rows are parsed automatically into a clean worksheet.

How to use the CSV to Excel Converter

  1. Paste or type your content into the box.
  2. Click Convert — it processes instantly in your browser.
  3. Copy the output or download the converted file.

Features

  • Paste CSV, get .xlsx
  • Automatic column parsing
  • No signup or watermark
  • Private — runs in your browser

Frequently Asked Questions

What format is the output?

A standard .xlsx file that opens in Excel, Google Sheets, and LibreOffice Calc.

How should my CSV be formatted?

Standard comma-separated values with a header row work best; quoted fields are supported.

Is it free and private?

Yes. It's completely free with no signup, and your files are processed in your browser — nothing is uploaded.