CSV to Excel

Convert CSV files to Excel format. Create XLSX files from CSV data.

Uses SheetJS in-browser - formulas, proper quoting and UTF-8 handled.

About CSV to Excel

Convert CSV files to Excel format. Create XLSX files from CSV data.

As a Conversion tool, CSV to Excel converts between units instantly — type a value, pick the source and target units, and the result updates live as you type, so you never have to do the math by hand.

How to Use CSV to Excel

  1. Enter the value you want to convert in the input field.
  2. Select the source unit and the target unit.
  3. Read the result instantly — it updates live as you type.
  4. Copy the output or swap the units to convert in the other direction.

Key Features

  • Live two-way conversion — edit either side and both update together.
  • Uses standard, precise conversion factors for everyday and technical use.
  • Runs entirely in your browser — works offline and sends nothing anywhere.

Frequently Asked Questions

How accurate are the conversions from CSV to Excel?

Conversions use standard published factors, and rounding happens only at display time. Results are precise enough for everyday, academic and engineering use.

Is CSV to Excel free to use?

Yes. CSV to Excel is completely free with unlimited use — no account, download or payment required.

Is my data uploaded to a server?

No. CSV to Excel runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.

Does CSV to Excel work on mobile?

Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.

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