電話號碼格式化
將電話號碼格式化為 E.164、國內與國際格式,支援逾 200 個國碼。
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.
Related format tools
- Credit Card Formatter — format card numbers with standard spacing
- IBAN Validator — validate and format bank account numbers
- SSN Masker — mask US Social Security Numbers safely
常見問題
- 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