WordPress validation plugins

🛡️ No more fake leads, and unwanted spam - Every email will be real and valuable (For all Contact-forms/Comments and Registration forms).

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.

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

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

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

Prevent URLS & Emails in gravity forms textarea fields.

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

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.

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

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

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

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

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 …

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

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

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

WordPress Fix HTML5 Validation

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

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

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

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.

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

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

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

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

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

Limit characters in ACF WYSIWYG fields with a live counter and validation. Supports per-field/global limits; counts only visible text, ignoring HTML.

The 24TT Document Verifier allows institutions, businesses, and academic bodies to verify the authenticity and validity of issued documents (certifica …

Wordpress default comment form validation using javascript and customization.

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.

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.

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

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

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

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

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.

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

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

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

Configure a series of block checks to prevent WCAG accessibility errors in content.

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

Address validation by Postcode Checkout

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 …

CiteKite automatically validates quotations you make of other websites and lets the world know you care.

A free (WooCommerce) plugin that guarantees correct address input from your customers on, for example, your own registration or checkout webpage!

Keep your WordPress platforms free from fake or disposable email accounts.

Simple Ajax validation for Registration Form