Is my contact data uploaded to a server?

No. This tool runs 100% client-side. Your Excel file is processed entirely within your web browser, ensuring absolute privacy.

Does it fix scientific notation in phone numbers?

Yes, our algorithm automatically detects and fixes phone numbers formatted in scientific notation (e.g., 9.87E+09).

Excel to VCF Converter

The most robust, privacy-first bulk contact converter.

🛡️ 100% Offline Privacy 🚀 Fixes Scientific Notation 📱 iOS, Android & Outlook Ready

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Drag & Drop your Excel file here

or click to browse (.xlsx, .xls, .csv)

Why Use Our Excel to VCF Converter?

If you are trying to move thousands of contacts from an Excel spreadsheet into your smartphone, manually saving them is impossible. Our tool converts your `.xlsx` files into the universal vCard 3.0 (.vcf) format instantly.

Platform	Compatibility Level	Key Benefits
Apple iPhone (iOS)	✅ 100% Supported	Uses proper UTF-8 encoding so names and emojis don't break.
Google Contacts (Android)	✅ 100% Supported	Bulk imports directly into your Google account seamlessly.
Microsoft Outlook	✅ Compatible	Perfect for business email contact migrations.

Frequently Asked Questions

Is my data safe?
Yes. This tool operates entirely on the client-side. This means the conversion happens inside your web browser using your device's memory. Your contact list is never uploaded to any server or database.

How do I fix phone numbers showing as 9.87E+09?
Excel often converts long phone numbers into scientific notation. You do not need to fix this manually. Our converter algorithm automatically detects and expands scientific notation back into normal phone numbers during the conversion process.