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Email Validator

Validate email addresses with comprehensive syntax and domain checks.

🔒 100% Private ⚡ Instant Processing 📱 Works Offline

Validate Email Address

Bulk Email Validation

Enter multiple email addresses, one per line (max 100 emails)

Domain Analysis

Analyze email domains for validity and security

📧 Email Validation Features

Syntax Validation

Comprehensive email format checking using RFC 5322 standards and advanced regex patterns.

  • RFC 5322 compliance
  • Local part validation
  • Domain format checking

Domain Verification

Check if email domains exist and are configured to receive emails.

  • DNS MX record lookup
  • Domain reachability
  • Mail server validation

Security Checks

Detect disposable emails, common typos, and potential security risks.

  • Disposable email detection
  • Typo suggestions
  • Risk assessment

🔍 Validation Rules

Basic Format

  • Must contain exactly one @ symbol
  • Local part before @ (1-64 characters)
  • Domain part after @ (1-253 characters)
  • No leading/trailing spaces

Local Part Rules

  • Alphanumeric characters allowed
  • Special chars: . ! # $ % & ' * + - / = ? ^ _ ` { | } ~
  • Dots cannot be consecutive
  • Cannot start or end with dot

Domain Rules

  • Valid domain name format
  • Must have at least one dot
  • TLD must be 2+ characters
  • No consecutive dots

🔒 Your Privacy is Protected

  • All email validation happens locally in your browser
  • No email addresses are sent to external servers
  • Domain checks use public DNS only
  • No data is stored or logged by this tool