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.

Phone Number Formatter

NumSwift is a free phone number formatting tool powered by Google's libphonenumber library. Paste numbers in any of 15+ local or national formats and it outputs the correct international E.164 format with the right country code. Supports 200+ countries and processes numbers in under one second — ready for calling, WhatsApp, or CRM import.

Last updated: 2026-04-06

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 Format Phone Numbers

Select the country the phone number belongs to using the country selector
Paste the phone number (in any format) into the text box
NumSwift validates and formats it with the correct country code
Use the formatted number to call, SMS, or WhatsApp directly

Common Use Cases

Adding the correct country code before calling abroad
Converting local numbers to international format for WhatsApp
Standardizing phone numbers from different sources
Verifying that a phone number has the right format for its country

Frequently Asked Questions

▶How do I format a phone number for international calling?

Paste the phone number into NumSwift and select the correct country. NumSwift is powered by Google's libphonenumber library, which recognises 15+ number formats and applies the correct country code and E.164 standard formatting. The result is ready for international calls, WhatsApp, CRM import, or SMS — produced in under a second.

▶What countries does NumSwift support?

NumSwift supports phone number formatting for over 200 countries and territories, covering every ITU-assigned country code. It can automatically detect the country when a number includes its country code prefix, or you can manually select the country for local numbers that lack a prefix. The country database is sourced from the same dataset used by libphonenumber.

▶Can I format multiple numbers at once?

Yes. Paste a block of text containing multiple phone numbers and NumSwift extracts and formats all of them simultaneously. Each number is individually validated against its country's expected digit count and area code patterns, then displayed with its full international E.164 format. There is no practical limit on the number of phone numbers you can process in one paste.

▶Does it validate that the number is real?

NumSwift validates that each number matches the structural requirements for its country: correct total digit count, valid country code, and a recognised area code pattern. This catches mistyped or structurally invalid numbers. It cannot verify whether a number is currently assigned to a subscriber or in service — that requires a live carrier lookup.