Developer Tools
Email Address Validator
🔒 Runs in your browser
Validate email address format, detect common domain typos, and check MX record syntax. Instant, no email sent, fully private.
Client-side validation only — no DNS lookup. For production, always confirm delivery. No data is sent anywhere.
How to Validate an Email Address Free — Format Checker (2026)
Validate email addresses and detect common typos in your browser. Checks RFC format rules, suggests corrections for misspelled domains.