CalcHive

Email Address Validator

Validate email address format with detailed checks for syntax, domain structure, and common mistakes. Bulk validate multiple emails at once.

Examples

Valid email

In:user@example.com

Invalid (bad domain)

In:invalid@.com

Common typo (.con)

In:user@gmail.con

How to Use Email Address Validator

  1. Enter a single email address in the input field, or switch to Bulk mode for multiple emails.
  2. Click "Validate" or try one of the examples.
  3. See the result: a green checkmark for valid emails or a red X with the reason for invalid ones.
  4. In Bulk mode, paste one email per line to validate them all at once.

Email Address Format Rules

A valid email address follows the format local@domain.tld. The local part can contain letters, digits, dots, hyphens, underscores, and plus signs. The domain must contain at least one dot with a valid top-level domain (TLD) of two or more characters. Common mistakes include using .con instead of .com, forgetting the TLD entirely, or including spaces.

Frequently Asked Questions

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