CSV to Excel

Convert CSV data into an XLSX workbook.

CSV to Excel

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CSV
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🔒 Client-Side Processing · Files never leave your browser · No server uploads

About CSV to Excel

Convert raw CSV text files into styled Microsoft Excel (.xlsx) workbooks. Automatically formats columns, headers, and numeric types for clean spreadsheet editing.

How to use CSV to Excel

1

Add your file

Choose a file or drag it onto the upload box. We check that the file type and size are supported.

2

Pick your options

Change the settings shown next to the file if you need to. The defaults work for most files.

3

Download the result

Click the main button, then download your new file. Check it before you share or submit it.

What it does

  • ✓Transforms comma, semicolon, or tab-delimited CSV data into modern XLSX workbooks
  • ✓Applies styled header formatting, cell borders, and auto-fitted column widths
  • ✓Correctly preserves numeric values, currency, and date formats
  • ✓Client-side spreadsheet generation with no server data storage

When to use it

Analytics Export Polish

Turn raw CSV exports from analytics platforms into professional, readable client reports.

Financial Summaries

Convert bank transaction CSVs into organized Excel workbooks for tax preparation.

Survey & Form Results

Format survey response CSV files into clear, presentable spreadsheets for stakeholders.

Inventory Management

Prepare styled inventory spreadsheets from backend system exports.

Your file stays on your device

This tool runs entirely in your browser. Your file is processed on your own device and is never uploaded to our servers.

Tips

  • •Ensure your CSV uses consistent delimiters (commas or semicolons) across all rows.
  • •Review column headers and numeric formatting in Excel after downloading.
  • •Use the "Excel Viewer and Editor" tool if you want to make quick data edits before saving.

CSV to Excel FAQ