WordPress validation plugins

No more fake leads or unwanted submissions — Maspik blocks spam instantly across all forms without using CAPTCHA.

Adds a 'confirm email address' field to the WooCommerce checkout page.

Contact Form 7 validation messages provide custom error messages for each field.

Contact Form 7 Email Validation plugin adds an extended validation to verify domain in email address for email fields of Contact Form 7 plugin.

REPLACEMENT of the original Simple Trackback Validation Plugin from Miachel. Performs a simple but very effective test on all incoming trackbacks in o …

ZeroBounce validates emails on your WordPress site in real-time, blocking invalid and risky emails to improve deliverability and reduce bounce rates.

This plugin adds native HTML5 validation support to Gravity Forms' fields.

Ideal Postcodes UK address search and validation extension for WooCommerce

This plugin adds client-side validation to the Wordpress comment form, using the jQuery validation plugin.

Prevent URLS & Emails in gravity forms textarea fields.

This plugin will allow you to check your pages/posts HTML against the W3C Validator.

This plugin adds an awesome feature that provides instant feedback and guidance in each field, helps prevent errors.

Real-time email validation for WordPress forms. Block invalid, disposable, and risky emails to keep your database clean and improve deliverability.

Added mail validation function to Contact Form 7. Protected by rejection filter, RFC filter, and DNS filter.

The Validated Field add-on for Advanced Custom Fields provides input masking and server-side validation of other field types.

With the Byteplant Email Validator plugin you can easily verify with a real-time live check if an email address really exists and is valid (https://ww …

With the Byteplant Phone Validator plugin you can easily verify if a phone number is really valid and callable (https://www.byteplant.

The 24TT Document Verifier is a powerful, enterprise-grade solution designed for institutions, universities, businesses, and government bodies globall …

WordPress Fix HTML5 Validation

ACF WYSIWYG Character Limit adds max-character controls to ACF editors, improving content quality, and editorial standards across WordPress.

Add a custom validation action for Forms to your Elementor installation to run server-side validation for your form fields.

Address Validator for WooCommerce automatically validates and corrects billing and shipping addresses for 240+ countries world-wide (https://www.

Validation Plugin comments. The plugin is based on js-script jquery.validate.

ads.txt Guru is a revolutionary tool to eliminate the burden of maintaining website ads.txt files!

Avoid those pesky blank page with an error message like "please fill out required fields" then loosing your/users comment info.

Automatically checks the validity of the page with the service provided by the site http://validator.w3.org/

Track failed form submissions and get notified when they reach a customisable threshold. Requires Gravity Forms.

This widget will submit your wordpress RSS feed to feedvalidator.org, and check the results to verify your feed is valid.

Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.

Prevent disposable email addresses from registering or commenting on your site with MailCheck.ai.

Enhanced Comment Validation plugin is an effective security solution that protects your WordPress comment form.

The Post-title-validation Plugin helps to create validation on title field of post, page, custom content type.

LH Signing allows you to create configurable validated lists like petitions or event sign ups. It is the only self hosted solution in WP

Verify emails in real-time with Emailable.

WooCommerce Postcode Validator lets you validate Dutch postcodes and auto-fill the address and city for the filled in postcode.

Validates KSA National Addresses during WooCommerce checkout using the OTO API.

Causes the visual editor to ignore code within the ignore_code shortcode. Great at keeping advanced HTML, JavaScript, or PHP code intact.

Limit comment length by setting minimum and maximum character rules for WordPress comments.

Advanced phone number validation and anti-spam protection for WPForms Lite & Pro.

The Protected Site plugin blocks incoming traffic from accessing a blog or a specific blog in a network by requiring visitors to log in to WordPress.

Wordpress default comment form validation using javascript and customization.

Dokan Product Validation is a WordPress plugin for generating the required Product information fields.

Allows you to make post, page, custom post elements required: title, content, featured image.

Add a VAT Number (Partita IVA) field to Woocommerce checkout and validate it using the VIES API service from Agenzia delle Entrate.

This plugin will let you add the functionality in Contact Form 7 File fields to validate it by mime types.

Reject disposable email addresses in Gravity Forms email fields.

Check email address inputs for common typos and fix them with only one click. Easily define custom checks.

PluginPass is a WordPress license manager that makes it easy to monetize your WordPress plugins and themes.

VALIDATE YOUR MAILING LIST IN ONE CLICK Be confident your mailing list contains only real emails addresses, get rid of bots and inactive users

Adds a new comment validation method in the "Before a comment appears" Discussion subsection panel.

WP-Validate collects all the pages on your site and runs them through the W3C's HTML Validator.

Enhance Website Security: Stop Fake, Temporary, and Disposable Emails Across Registration, Contact Form 7, Mailchimp, Woocommerce, and More!

Prevent WCAG accessibility errors in your content with real-time validation for blocks, meta fields, and document structure.

Allows you to get around using target="_blank" by converting all your outbound links using Javascript.

Email Validator is a FREE lightweight and high-performance WordPress plugin that provides real-time email address validation during registration and f …

Allows email addresses using your site’s Mailgun domain to pass Contact Form 7’s form validation feature.

📦 Validate Customer Addresses in WooCommerce

Validate and enforce age restrictions per product or variation in WooCommerce, with user profile storage.

With the uProc for Wordpress plugin you can easily verify if an email address really exists and is valid. Additionally, you can check all existing too …

Checks comment to ensure they are longer than the minimum, shorter than the maximum and also allows comments to be forced into moderation based on len …