PrivConvert

Data tool

CSV to Excel

Create an XLSX workbook from CSV data.

Add your input

Your file stays in this browser.

Settings

Good to know1 file · 100 MB max
Upload a CSV or text file or paste textResult: Excel files
  • Your file stays in this browser while the tool runs.
  • Large table previews are capped; downloads keep the complete processed output.

Next tools

Keep working with this file

Excel to CSVExport one Excel sheet to CSV.CSV to JSONConvert CSV rows into formatted JSON.Merge ExcelMerge multiple workbooks into a single XLSX file.Barcode GeneratorGenerate CODE-128, EAN-13, EAN-8, or UPC-A SVG barcodes.

How it works

How to use CSV to Excel online

  1. Choose a CSV file or paste CSV text into the input area.
  2. Select automatic or explicit delimiter handling and enter the worksheet name.
  3. Create the XLSX workbook in your browser and download the Excel file.

Overview

Convert CSV data into an Excel XLSX workbook

Turn a CSV file or pasted table into an XLSX workbook without sending the data to a conversion server. Let the tool detect the delimiter or choose one explicitly, and set a worksheet name before downloading.

Input

Upload a CSV or text file or paste text

Output

Excel files

Limits

1 file · 100 MB max

Best for

CSV to Excel use cases

  • Open a CSV export as a standard Excel workbook.
  • Give imported table data a clear worksheet name.
  • Convert private spreadsheet data locally before sharing.

Processing

What happens in your browser

PrivConvert uses Papa Parse and SheetJS for this workflow. 2 adjustable settings. No special browser capability is required for typical inputs

Your file stays in this browser while the tool runs.

Related tools

Excel to CSVCSV to JSONMerge ExcelBarcode GeneratorBase64 to FileCreate ZIP

FAQ

CSV to Excel questions

See how privacy works

Is CSV to Excel free to use?

Yes. This tool is free to use in your browser and does not require an account.

Are my files private?

CSV to Excel uses Papa Parse and SheetJS in the browser. Selected files are processed locally when the required browser features are available, while application, library, model, security, and limited analytics requests may load separately.

What limits should I know about?

1 file · 100 MB max. Very large, encrypted, damaged, or unusual files may not be supported by every browser.

Can CSV to Excel detect commas, semicolons, or tabs?

Yes. Use Auto to detect the delimiter, or select comma, semicolon, or tab explicitly.

Can I choose the Excel worksheet name?

Yes. Enter a worksheet name before conversion, or leave it blank to use the default.