What formats are supported?

You can convert CSV files to Excel (.xlsx) and Excel (.xlsx or .xls) files to CSV. Multiple files can be processed at once in batch mode.

Does it preserve special characters and accented letters?

Yes. UTF-8 encoding is used throughout to preserve accented letters, special symbols and international characters.

Can I convert multiple files at once?

Yes. Select or drop multiple files and the tool converts each one individually and downloads them automatically.

📊

CSV ⇄ Excel Converter

✓ Free ✓ Batch Conversion ✓ UTF-8 Preserved ✓ 100% Private

Convert CSV files to Excel (.xlsx) or Excel files to CSV instantly. Supports batch conversion of multiple files at once. UTF-8 encoding preserved for special characters. Runs entirely in your browser — files never leave your device.

CSV to Excel mode: Upload one or more .csv files and download them as .xlsx Excel files.

📊

Drag & drop CSV files here
or click to browse

Supports .csv • Max 50MB each • Multiple files

Converting...

🔒 Files never leave device

📦 Batch conversion

🔤 UTF-8 preserved

🆓 Free

How to Convert CSV to Excel

🔘

Select Mode

CSV→Excel or Excel→CSV

→

📂

Upload Files

Drop or browse — multiple OK

→

⚙️

Convert

Click Convert button

→

⬇️

Download

Files download automatically

Why Use Our CSV ⇄ Excel Converter?

📦

Batch Conversion

Upload multiple files at once and convert them all in one click.

🔤

UTF-8 Preserved

Accented letters, special symbols and international characters are all preserved correctly.

⇄

Two-Way Conversion

Convert CSV to Excel (.xlsx) or Excel back to CSV — both directions in one tool.

🔒

100% Private

All conversion runs locally in your browser using SheetJS. Your data never reaches any server.

What Our Tool Offers

Feature	ConverterHub
CSV to Excel (.xlsx) conversion	✓ Yes
Excel to CSV conversion	✓ Yes
Batch multiple files at once	✓ Yes
UTF-8 encoding preserved	✓ Yes
Files never uploaded to server	✓ Yes
No watermarks on output	✓ Yes
Free, no registration	✓ Yes

Frequently Asked Questions

CSV (.csv) to Excel (.xlsx) and Excel (.xlsx, .xls) to CSV. Multiple files can be processed at once in batch mode.

Yes. UTF-8 encoding is used throughout to correctly preserve accented letters, special symbols and international characters in your data.

Yes. Select or drop multiple files and the tool converts each one individually, downloading each converted file automatically.

Files up to 50MB are accepted. Larger files may take a moment to process depending on your device's memory and processing power.

Yes, completely free. No registration, no watermarks, no hidden fees.

Yes. All conversion happens entirely in your browser using the SheetJS library. Your files are never uploaded to any server.

Related Tools

📊⇄📄

CSV ⇄ Excel

SheetJS • Browser-Based

50MB

Max per file

Batch

Multi-file

UTF-8

Encoding

Free

No signup

💡 Tips

✓ CSV files must use comma (,) as delimiter
✓ Batch convert multiple files in one go
✓ Excel output opens directly in Microsoft Excel
✓ Save as CSV to reduce file size for data transfer

📰

Tivora Hub Blog

Tips, productivity hacks and ways to make money online.

Visit Blog →