About the email validator
The email validator checks common syntax for a single address directly in the browser. It explains issues such as missing @, duplicate dots, malformed domains, unsupported characters, and internationalized cases.
How to validate email online
Type or paste an email, read the status, and copy the normalized version when available. The tool does not check DNS, MX, SMTP, or mailbox existence; include the email in a shared link only when it may be visible to whoever receives the URL.