Phone Number Formatter
Clean up and format phone numbers. See the digits-only version, a US-style (XXX) XXX-XXXX format, and an E.164 international format.
About this tool
Clean up and format phone numbers. See the digits-only version, a US-style (XXX) XXX-XXXX format, and an E.164 international format.
Example
Input: 1 (555) 123-4567
Output: US: (555) 123-4567, E.164: +15551234567
Privacy
This tool runs entirely in your browser. Your data is processed locally and never uploaded to a server.
How to use this tool
- Paste a phone number into the input field.
- Check the digits-only version to confirm the raw number the tool detected.
- Review the US-style format if the number is a standard 10-digit US number.
- Use the E.164 result when you need an international, normalized phone number format.
Step by step, what happens
- The tool reads the text you paste and removes spacing, punctuation, and other non-digit characters.
- It keeps the underlying phone digits so you can compare the cleaned number with the original entry.
- If the number looks like a US number, it formats it as (XXX) XXX-XXXX for easier reading.
- It also produces an E.164 version so the same number can be used in systems that expect a normalized international format.
Worked example
Here is how the tool handles a common US phone number with punctuation and spaces.
Input: +1 (415) 555-2671
- The tool strips the symbols and spaces to get the digits-only version.
- It recognizes the number as a US-style phone number and formats the main 10 digits for display.
- It also shows the normalized international version with the country code in E.164 form.
Output: Digits only: 14155552671
US format: (415) 555-2671
E.164: +14155552671
Tips and common mistakes
- If you paste a number with a country code, the digits-only result may include that code even when the US format shows only the local 10 digits.
- US-style formatting only makes sense for standard 10-digit US numbers, so international numbers may not display that way.
- If your input includes extension text like x123, remove it before formatting because this tool focuses on the core phone number.
- Use the digits-only output when you need to compare or store the raw number without punctuation.
Frequently asked questions
What formats are produced?
Digits-only, US (XXX) XXX-XXXX, and international E.164 (+country number).
Does it validate the number is real?
No, it formats the digits; it does not check if the line exists.
What if there is a country code?
Extra leading digits are treated as the country code in the E.164 output.
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