CSV to Excel Converter

Free Online Batch Tool - Convert, Merge & Preview Your Data Effortlessly

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Drag & Drop CSV Files Here or Click to Browse

Supports multiple files (.csv only)

Preview of Selected File:

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CSV to Excel Converter: Your Ultimate Free Online Tool

Transform your CSV files into professional Excel spreadsheets with our advanced CSV to Excel converter online. Perfect for data analysts, marketers, and anyone handling bulk data. No software installation needed – just upload, convert, and download instantly!

Key Features

How to Use Our CSV to Excel Converter

  1. Select Files: Click the upload area or drag your CSV files directly onto it. Multiple selections supported!
  2. Customize Options: Check "Merge into One Workbook" to combine files or enable preview to inspect data.
  3. Convert Files: Click the "Convert Files" button to process your CSVs. Watch the progress bar for real-time updates.
  4. Download: Once conversion is complete, click "Download Excel File" to get your XLSX file.

Pro Tip: For large batches, our tool handles up to 50MB per file with zero data loss – all processing happens in your browser for privacy.

Benefits of Using This Free CSV to Excel Tool

Frequently Asked Questions (FAQ)

What file formats does this converter support?
Currently optimized for CSV to XLSX conversion. Future updates may include TSV and JSON support.
Is my data safe with this online tool?
Absolutely! All conversions are client-side using JavaScript – no data is sent to any servers.
Can I convert large CSV files?
Yes, up to 50MB per file. For very large datasets, split them into smaller batches for smoother performance.
Why is there a separate Convert button?
The Convert button processes your files first, allowing you to review the progress before downloading, ensuring a smooth and controlled experience.