Developer Tool

CSV to Excel

Convert CSV files to Excel (XLSX) format instantly in your browser.

Upload a CSV file to convert to Excel.

Quick Guide

  1. Step 1: Upload a CSV file via file picker
  2. Step 2: The delimiter is auto-detected, or select manually
  3. Step 3: Preview the parsed data
  4. Step 4: Click Convert and download the XLSX file

What is CSV to Excel?

CSV to Excel converts CSV files into Excel XLSX format. See also: csv-to-json or json-to-csv or excel-to-pdf.

How It Works

Upload your CSV file, select a delimiter (or use auto-detect), and click Convert. The tool uses SheetJS to parse the CSV and create an Excel workbook you can download.

Use Cases

Frequently Asked Questions

What delimiters are supported?

The tool auto-detects comma, tab, semicolon, and pipe delimiters. You can also select manually.

Are my files uploaded?

No, all processing happens locally in your browser. Your files never leave your device.

What output format is used?

The converted file is exported as an Excel (.xlsx) file.

Related Tools

CSV to JSON

Convert CSV to JSON format

JSON to CSV

Convert JSON to CSV format

Excel to PDF

Convert Excel files to PDF