Convert CSV to Excel Online

Free online CSV to Excel converter - no upload, no signup

Turn CSV into an .xlsx workbook, entirely in your browser.

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Convert CSV to Excel

CSV File:
(Max 10M. Big than 10M?)

or drag & drop a CSV file here

Or paste your CSV text:

 

Convert »

Click here to get output Excel file

How to Convert CSV to Excel (3 Steps)

1. Paste your CSV or choose a CSV file. Use the box above (up to 10M); the data stays in your browser.
2. Convert. Press Convert.
3. Download the Excel. Save the generated .xlsx file. The data never leaves your computer.

Online vs App

Same job, two ways — pick the one that fits your file:

In short: this page is best for a quick, small file. For large files or batch jobs, use the DataFileConverter desktop app — it also ships a command line for scripts and scheduled runs.

What to Know About CSV to Excel

• The result is a real .xlsx workbook (one sheet); every value is written as text.
• Conversion runs locally with JavaScript - your file is never uploaded to a server.

Frequently Asked Questions

Is this CSV to Excel converter free?

Yes. The online converter is completely free and needs no account or email.

Is my file uploaded to a server?

No. The conversion runs entirely in your browser, so your file never leaves your device.

What Excel format is produced?

A real .xlsx workbook with one sheet. The first row becomes the header, and every value is written as text.

Related Tools

CSV to Excel | XML to Excel | JSON to Excel | SQL to Excel | CSV to XML | Excel to XML | JSON to XML | SQL to XML

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Need bigger files or batch conversion?

If this service cannot convert your data correctly, or your files are big than 10M, or you want a batch conversion, you can use Data File Converter to Convert CSV to Excel Offline.

Want to stay in the browser? Subscribe (from $5/month) to raise the online limits.

If you have any question or suggestion, please contact us.