Email Validator

Validate email addresses instantly. Check format, domain, and RFC compliance. Supports bulk validation.

Note: This validates email format only. It doesn't verify if the email exists or can receive mail.

Why validate email addresses?

Prevent typos and invalid emails from entering your database. Reduce bounce rates and improve deliverability by validating email format before sending.

Frequently Asked Questions

What makes an email valid?
A valid email has a local part (before @), @ symbol, domain name, and valid TLD. It must follow RFC 5322 standards.
Does this check if the email exists?
No, this tool validates format only. Verifying if an email exists requires sending a test message or using specialized verification services.
What is RFC 5322?
RFC 5322 is the Internet standard that defines email message format. It specifies which characters and patterns are allowed in email addresses.