Email Validator
Business & ProductivityValidate email addresses for format correctness and domain validity.
What is Email Validator?
Email Validator checks email addresses for RFC 5322 format compliance, detects known disposable/throwaway email domains, and suggests typo corrections for common domain misspellings. Supports bulk validation of up to 500 addresses at once with CSV export.
How to use Email Validator
Choose single or bulk mode
Use "Single Email" to validate one address in detail, or "Bulk Validate" to paste a list of up to 500 emails, one per line.
Enter the email(s)
Type or paste the email address(es) into the input field.
Read the result
For single emails, a detailed result shows the local part, domain, all failed checks, and any typo suggestions. For bulk, a summary table appears.
Export valid or invalid lists
In bulk mode, click "Export Valid CSV" or "Export All CSV" to download the results for use in your email marketing tool or CRM.
Who uses Email Validator?
Email list cleaning
Email marketers
Validate subscriber lists before sending campaigns to remove invalid addresses and reduce bounce rates that damage sender reputation.
User registration
Developers
Test email validation logic for registration forms to understand what a robust validator should and should not accept.
Lead qualification
Sales teams
Quickly check whether email addresses collected at events or through forms are valid and not disposable before adding them to a CRM.
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FAQ
Does it send a verification email?+
Can it detect disposable/temporary email addresses?+
How many emails can I validate at once?+
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