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TL ToolLab

Converters

CSV to Excel Converter

Convert CSV data to Excel (.xlsx) format online. Paste your CSV and download the spreadsheet file instantly.

Paste CSV

Maximum 100,000 rows.

Processing…

Result

Excel file will appear here.

How to Use

  1. Drag and drop a CSV file or click to select one.
  2. Download the resulting Excel (.xlsx) file.

Why Convert to Excel?

While CSV is great for data interchange, Excel's .xlsx format supports column widths, cell formatting, multiple sheets, and formulas — features many users expect when opening a spreadsheet. This conversion wraps the raw CSV rows and columns into a properly structured worksheet.

Common Uses

  • Turning a CSV export from a database or API into a shareable Excel file.
  • Preparing CSV data for further formatting or analysis in Excel.
  • Delivering data to colleagues who expect an .xlsx attachment.