What is Email Validator?
Email Validator checks if an email address has a valid format according to RFC 5322 standards. It verifies the structure, characters, and domain format of email addresses. Note: This validates format only, not whether the email actually exists.
Common Use Cases
Form Validation
Validate email input fields before form submission.
Data Cleaning
Filter invalid email addresses from mailing lists.
User Registration
Check email format during user signup flows.
API Validation
Validate email parameters in API requests.
How to Use This Tool
- Enter one or more email addresses
- The tool validates format instantly
- View detailed validation results
- See specific issues with invalid emails
Frequently Asked Questions
Does this check if the email exists?
No, this only validates the format. Use SMTP verification to check if an email actually exists.
What characters are valid in emails?
Local parts can contain letters, numbers, and special chars like ._%+-. Domain names follow standard DNS rules.
Are + addresses valid?
Yes! Addresses like user+tag@domain.com are valid. Many email providers support plus-addressing for filtering.