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validation
111 plugin
NexMailPro Email ValidationValidate WordPress registration, WooCommerce checkout, Contact Form 7, and manually entered email addresses using the NexMailPro Email Validation API.
KanshiProtect WordPress forms by validating submissions with the Kanshi API before accepted entries reach form handlers and notifications.
Required Checkbox Validation for ElementorMake Elementor Pro checkbox fields required. Blocks submission until at least one checkbox is selected, with client-side and server-side validation.
VIESAC – Free VAT Validation for WooCommerceCountry-specific VAT validation for WooCommerce checkout with audit-ready VIESAC certificates for B2B orders.
QuickValid for WooCommerceQR ticket validation system for WooCommerce with unit management per product.
Manly FixHTML validatator errors fix in WordPress and WooCommerce.
Mr. J Dev Dynamic Checkout FieldsAdd custom fields to the WooCommerce checkout based on cart contents, value, or country. Saves data to order meta and displays it in the admin.
Capably Digital Email Validation and BlocklistEasily set up email blocklists and mx checking to reduce bounce rates and unwanted signups, reducing email volume and protecting sender reputation.
List Column Required for Gravity FormsPer-column required validation for Gravity Forms List fields — mark individual columns as required right in the form editor.
Vatigo – EU VAT ValidatorValidate EU VAT IDs in your WordPress forms. Supports Contact Form 7, WPForms, and Fluent Forms out of the box.
Transaction Validation - Fraud MitigationProtect your WooCommerce store from fraudulent transactions with advanced fraud detection and validation services.
Meetempo Client Proof & ValidateTrack and store client approvals on WordPress. Timestamp validations, keep agreement logs, and document approvals in case of dispute.
Postcode Checkout address validation for contactform 7Validate Addresses in Contact Form 7
Cart Validation for WooCommerceRestrict WooCommerce checkout by products, categories, user roles, and more. Create powerful cart validation rules.
Regex Validation for Gravity FormsAdds custom regex validation with Unicode support and presets to Gravity Forms fields.
RATEC Contact FormA beautiful, professional WordPress contact form plugin with free email logs, secure and shortcode support.
Validation Muse for Contact Form 7Custom validation rules & messages for Contact Form 7 — regex, length, required-if, per field, CF7 6.x SWV-compatible, multilingual.
KSA National Address ValidatorValidates KSA National Addresses during WooCommerce checkout using the OTO API.
GoldSmith Forms English Only FilterRestricts form inputs to English characters only.
Phone Validator for WPFormsAdvanced phone number validation and anti-spam protection for WPForms Lite & Pro.