Phone Number Formatter
Format phone numbers into E.164, international, and national styles. Supports 15 country codes — US, UK, DE, JP, CN and more. Free, client-side tool.
100% client-side · no upload
How to use
- Select the country code from the dropdown.
- Type or paste the phone number into the input field.
- Click Format — the E.164, international, national, and digits-only versions appear below.
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Frequently Asked Questions
- Is this phone number formatter free?
- Yes, completely free with no signup and no usage limits.
- Does my phone number data leave my device?
- No. All formatting runs in JavaScript inside your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.
Last updated: By jarvisbox