How does NumSwift extract phone numbers from text?

NumSwift uses advanced pattern recognition to automatically identify and extract phone numbers from any text you paste. It supports international formats and validates numbers in real-time.

Can I send WhatsApp messages without saving contacts?

Yes! NumSwift allows you to send WhatsApp messages directly to any phone number without adding it to your contacts. Just extract the number and click the WhatsApp button.

Is my data safe when using NumSwift?

Absolutely. NumSwift is completely privacy-focused - all data processing happens locally in your browser. No text or phone numbers are sent to our servers.

Does NumSwift work with international phone numbers?

Yes, NumSwift supports phone numbers from all countries and automatically detects the country format. You can also manually select your country for better accuracy.

Can I extract multiple phone numbers at once?

Yes. NumSwift can extract many phone numbers from a single text block. It automatically deduplicates results and keeps up to 50 numbers for quick access.

How do I format a phone number for international calling?

Paste the number into NumSwift and select the correct country. NumSwift validates it and shows the properly formatted international version with the correct country code.

International Phone Number Converter

Convert any local phone number to international format. Select the country, paste your number, and get the correct country code — ready for international calls, WhatsApp, or SMS.

Last updated: 2026-02-21

Extract Phone Numbers Instantly

Paste text to extract phone numbers and contact directly

How to Use the Phone Number Extractor

Start by pasting text with phone numbers to see them appear here!

1. Copy Text

Copy text with phone numbers

2. Extract Numbers

Paste & extract

3. Use the Numbers

Call, SMS, or WhatsApp

🔒 Privacy-First Tool

All processing happens in your browser. Your data never leaves your device and is not stored on our servers.

Need help or have feedback? Contact us - we'd love to hear from you!

💡 Pro Tips

• Paste text from emails, documents, or websites
• Works with international phone numbers from all countries
• Click WhatsApp to message without saving contacts
• Your extracted numbers are saved locally for quick access

Connect with the creator:

How to Convert to International Format

Select the country the phone number belongs to using the country selector
Paste the local phone number into the text box
NumSwift validates the number and checks the format
Get the full international format with the correct country code
Use the converted number to call, SMS, or WhatsApp internationally

When You Need International Format

Calling abroad from any country
Messaging international contacts on WhatsApp
Storing numbers in CRM systems or databases in E.164 format
Sharing phone numbers with people in other countries

Frequently Asked Questions

▶How do I convert a local phone number to international format?

Select the country the number belongs to, paste the local number into NumSwift, and it converts it to full international E.164 format with the correct country code.

▶What is E.164 phone number format?

E.164 is the international standard for phone numbers. It starts with a + sign followed by the country code and the subscriber number, with no leading zeros or spaces. For example, +14155551234.

▶Why do I need international phone number format?

International format is required for calling abroad, messaging via WhatsApp, and storing numbers in CRM systems or databases. It ensures the number works globally regardless of where you are dialing from.

▶How do I find the country code for a phone number?

NumSwift includes a country selector with over 200 countries and their dialing codes. Select the country and NumSwift automatically applies the correct country code to your number.