WordPress plugin alternatives

Alternatives to SBOL Validator

Plugins below are selected for functional relevance and current directory signals. Active-install counts do not affect this ranking.

Relevant replacements

WordPress plugins with similar use cases

Compatibility and update metadata provide context, not a quality guarantee. Review each plugin’s details for your site.

Validates email addresses in real-time and blocks form submissions with invalid or fake emails. Reduce spam, fix typos, and capture quality leads.

★ 4.7WP 6.9.7PHP 7.4Updated 10mo ago
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Safeguard your online forms against invalid, temporary, disposable, and harmful email addresses with real-time verification.

★ 5.0WP 7.0.4PHP 7.4Updated 3mo ago
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Real-time email verification for your WordPress forms. Block invalid, disposable, catch-all and role addresses using the BillionVerify API.

★ 0.0WP 7.0.4PHP 7.0Updated 5mo ago
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Safeguard your online forms against invalid, temporary, disposable, and harmful email addresses with real-time verification.

★ 0.0WP 7.1PHP 7.0Updated 2mo ago
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The HTML Validation Plugin runs in the background, identifies and reports HTML validation errors on your website. Once activated, the HTML Validation …

★ 1.0WP 7.1PHP 5.5Updated 2mo ago
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Email validation for Contact Form 7. Reduce registration spam with invalid email, block disposable and block free email.

★ 4.0WP 7.1PHP 5.2.4Updated 2mo ago
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Address Validator for WooCommerce automatically validates and corrects billing and shipping addresses for 240+ countries world-wide (https://www.

★ 3.4WP 7.1.0PHP not listedUpdated 2mo ago
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With the Byteplant Phone Validator plugin you can easily verify if a phone number is really valid and callable (https://www.byteplant.

★ 5.0WP 7.1.0PHP not listedUpdated 2mo ago
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