Free CSV to Excel Converter

Convert CSV to Excel (.xlsx) or Excel back to CSV. Works fully in your browser — files never leave your device.

📄 Click to select a file, or drag & drop it here (.csv / .xlsx)

📄 Both directions

CSV to XLSX and XLSX back to CSV.

🔒 100% local

Conversion runs in your browser. Nothing is uploaded.

💾 Keeps data

Preserves rows, columns and values.

⬇ One click

Download the converted file instantly.

Need JSON to Excel?

Turn JSON data into a spreadsheet.

Open JSON to Excel →

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