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Convert CSV to Excel
Online for Free

Upload your CSV file and download a formatted Excel (.xlsx) file instantly. No account needed. 100% private.

Convert CSV to Excel Now →

Why use CSVNow?

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100% Private

Your file never leaves your browser. Zero server uploads on the free plan.

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Instant Conversion

CSV to Excel in under 2 seconds. No waiting, no queue, no email required.

✓

Formatted Output

Clean .xlsx file with proper headers, ready to open in Excel or Google Sheets.

Frequently Asked Questions

Is CSV to Excel conversion really free?

Yes — completely free, no account needed, no hidden fees. Free plan allows 5 conversions per day up to 5MB files.

Is my data safe?

Yes. On the free plan all processing happens entirely in your browser. Your CSV data never reaches our servers.

What is the maximum file size?

Free plan supports files up to 5MB (~50,000 rows). Upgrade to Pro for files up to 50MB.

Can I convert Excel back to CSV?

Yes — CSVNow also supports Excel to CSV conversion. Just use the Excel to CSV tool on the main page.