plugin-icon

Duplicate Killer – Prevent duplicate form submissions for CF7, Forminator, WPForms & Breakdance

By NIA·
Duplicate Killer will prevent double entry submissions for CF 7, Forminator, WPForms Lite and Breakdance Page Builder. This plugin can be used to ensu …
Rating
5/5
Version
1.4.4
Active installations
1K
Last updated
Dec 18, 2025
Duplicate Killer – Prevent duplicate form submissions for CF7, Forminator, WPForms & Breakdance

*Duplicate Killer will prevent double entry submissions for CF7, Forminator, WPForms Lite and Breakdance Page Builder. This plugin ensures that a designated field contains unique data, such as allowing only one submission per email address.

Extension for Contact Form 7 plugin

  • Limit one submission per Email address, Phone or TextField.
  • Customise error message for duplicate entries.

Extension for Forminator plugin

  • Create your best list without duplicates!
  • Choose the unique fields from Email, Phone, TextField.
  • Warn the user that the value inserted has been already submitted!

Extension for WPForms Lite

  • Duplicate Killer support one of the best free WordPress forms plugin.
  • Stop your clients to duplicate the entries of your contact forms!
  • Inform your clients when the value has been already submitted!

New feature – Breakdance Page Builder Forms

  • Stop your clients from submitting duplicate entries in your contact or lead forms.
  • Fully compatible with Breakdance’s native form elements, providing seamless integration and enhanced control over your form submissions.
  • Ensure accurate and clean submissions with smart IP-based validation.

Unique entries per user

  • You can prevent duplicates at the user level, not global.
  • Multiple users can submit the same entry, but a single user cannot submit values they have already submitted before.

Store and display submissions

  • Store all submissions from Contact Form 7/Forminator/WPForms to your wordpress database
  • Display and manage the entries direct from your wordpress admin panel

Limit submissions by IP address

  • This feature restrict form entries based on IP address for 7 days
  • Warn the user that the value inserted has been already submitted!

Stores your files and images submitted through the form for Contact Form 7

  • Enable this option to automatically store uploaded files from the form on your server.
Freeon Business plan
Tested up to
WordPress 6.9
This plugin is available for download for your site.