Email Domain Extractor

Parse local email addresses, convert internationalized domains to browser-normalized ASCII form, and output one domain per address.

Email list

ReadyInternationalized domains are shown in the browser-normalized ASCII form when available.

These tools work locally on text. Syntax validation is not mailbox verification: no DNS/MX lookup, SMTP connection, account-existence check, or deliverability test is performed.

How to use this Email Domain Extractor

Extract normalized domains from a list of structurally valid email addresses. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.