Databases naturally degrade by about 22.5% every year. A 5% bounce rate can get you blocked. You don't have to worry about that when using our email checker service.

Up to 99%+ Accuracy Guaranteed accuracy: Up to 99% to improve overall inbox delivery metrics. One of the highest in the email verification industry.

Fast Email Checker Our email list cleaning service can verify massive, outdated email lists in a relatively short amount of time with complete accuracy.

Affordable Prices Our innovative email checker promotes superior deliverability (up to 99.9%) to the inbox, converts more sales, and increases your campaigns ROI.

Filetypes Compatibility Drag and drop your list into our interface or import directly from your ESP. Upload CSV, TXT, XLS or XLSX files and get your database verified within minutes.

Email Bounce Checker Our email bounce checker identifies which emails will bounce and thus are not safe to send. Keep your bounce rate under control with TheChecker.

Anti-Greylisting Technology TheChecker has the latest anti-greylisting technology and offers you the most accurate email validation results.

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Accept-all Email Checker Checks for domains that are catch-all, which return valid for all addresses. This feature helps you maintain a high quality database.

Misspelled Domain Detection Our tool will suggest the possible modification for misspelled email addresses. We won't allow typos to influence your list quality.

Syntax Validation TheChecker can clean your database from addresses with syntax errors. Therefore you don`t have to do it manually.

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Domain Validation Our email software can successfully mark all of the emails containing inactive or invalid domains that are known for spam and abuse.

MX Record Checker TheChecker notifies you if an MX Record is found for the domain being checked. This way, you end up with genuine records.

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Risk Validation Our email validation API is your first line of defense against high-risk recipients. We check for role-based addresses.

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Role Email Detection Detects role-based email addresses that are not for personal use and that hurt your inbox deliverability.

Teams Feature Allow multiple email addresses to login into the same account, share credits and access the same lists.

Customized Exports Easily export the bulk email verification results in multiple formats, exactly as you need them formatted.

Free Email Deduplication TheCheckers also comes with a de-duplication feature. It removes all records containing duplicate contacts in your list.

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Spam Trap Remover Spam traps don't apply to real people and having them in your email list will tarnish your sender reputation and also get you blacklisted.