電話番号フォーマッター
電話番号をE.164・国内・国際表記に整形。200カ国以上の国コードに対応。
100% in your browser. Your file never leaves your device.
Enter a phone number above.
How to use
- Select the country code from the dropdown on the left.
- 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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よくある質問
- 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