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Spreadsheet converters

Convert CSV to Excel

Turn CSV files into Excel. Spreadsheets often hold private data, so it never leaves your device.

Drop CSV files here, or click to choose

Up to 3 files, 50.0 MB each · Files stay on your device

How it works

How to use the CSV to Excel converter

  1. Drop your CSV files into the box.
  2. Choose which sheets to include, if asked.
  3. Click Convert and download the Excel.

Formats

About the formats

CSV file
CSV is plain text with one row per line and values separated by commas. Every spreadsheet and database can import it.
Excel workbook
XLSX is Microsoft Excel's workbook format, also opened by Google Sheets, Numbers and LibreOffice.

FAQ

Frequently asked questions

Are my files uploaded?

No. The conversion runs inside your browser using WebAssembly, so your files never leave your device. Nothing is sent to our servers.

What about formulas and formatting?

Values are converted. Formulas are exported as their calculated results; cell colours and charts aren't kept in CSV, JSON or Markdown.

Is it free?

Yes. The free plan converts up to 3 files at a time, up to 50 MB each. Note05 Pro ($5/month) removes ads and raises the limits to 100 files and 2 GB per file.

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