Free Bulk Email Validator & Verifier - Check Email List Online

Bulk Email Validator

Verify email addresses in bulk to improve deliverability and reduce bounce rates. Check syntax, domain validity, and detect disposable emails.

Upload Email List

Enter one email per line, or separate by commas, semicolons, or spaces
Check if email format is valid (e.g., user@domain.com)
Identify temporary/disposable email addresses
Automatically filter out duplicate emails

Validation Results

0 emails processed

Why Use a Bulk Email Validator?

Email validation is crucial for maintaining a clean mailing list and ensuring high deliverability rates. Invalid emails can harm your sender reputation and increase bounce rates, potentially affecting your ability to reach legitimate subscribers.

Key Benefits of Email Validation

How Our Email Validator Works

Our tool performs multiple validation checks to ensure comprehensive verification:

1. Syntax Validation

Checks if the email address follows the proper format (local-part@domain). Validates characters, length, and structure according to RFC standards.

2. Disposable Email Detection

Identifies temporary email addresses from known disposable email services that users create for short-term use.

3. Duplicate Removal

Finds and flags duplicate email addresses in your list to help maintain list hygiene.

Frequently Asked Questions (FAQ)

How accurate is this email validator?

Our validator provides accurate syntax checking (100% accurate) and disposable email detection. For domain validation, we provide estimates based on common domain patterns.

Is my email list safe?

Yes! All validation happens in your browser. We don't send your emails to any server, so your data remains completely private.

Can I validate large email lists?

Our tool can handle up to 10,000 emails at once. For best performance, we recommend validating lists in batches of 1,000 emails.

Best Practices for Email List Cleaning