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Double Opt-In — WordPress GDPR Plugin

Double Opt-In for Contact Form 7 – Secure, GDPR-Compliant Email Verification

by Forge12 Interactive GmbH · WordPress.org page · Website

v5.4.0 Tested up to WP 7.0.4 PHP 7.4+

Double Opt-In has 1,000+ active installs on WordPress.org and 22,208 downloads all time. We have tracked it since September 4, 2026; download trends appear after 30 days of data. The last update was on August 28, 2026, tested up to WordPress 7.0.4.

Double Opt-In at a glance

Active installs
1,000+
Total downloads
22,208
Downloads, last 30 days
–
available after 30 days of tracking
30-day growth
–
tracking since September 4, 2026

Is Double Opt-In well maintained?

Support threads resolved
1 of 1
recent threads on the WordPress.org support forum
WordPress compatibility
Behind
tested up to WordPress 7.0.4, not yet with the current 7.1

Features

The feature list from the plugin's own readme on WordPress.org, trimmed to the essentials.

  • Block-Based Email Templates — build your confirmation email from heading, text, button, spacer, divider and placeholder blocks
  • Double Opt-In for Contact Form 7 — per-form activation with full CF7 integration
  • Centralized Form Settings — manage all form integrations from a single admin panel
  • Email Template Presets — start from a pre-built template (one saved template on the free version)
  • Send Test Email — preview your confirmation emails before going live
  • Custom Confirmation Pages — redirect users to a specific page after confirmation
  • Dynamic Conditions — enable opt-in based on user input (e.g. only when a checkbox is checked)
  • Delete Confirmation Modal — safety dialog before deleting an opt-in record to prevent accidental deletion
  • GDPR Consent Export — export individual consent records as JSON or CSV directly from the opt-in detail view
  • CAPTCHA Compatibility — automatically bypasses Forge12 Captcha, Google reCAPTCHA, and hCaptcha during opt-in confirmation to ensure mail delivery
  • Rate Limiting — configurable IP and email rate limits to prevent abuse
  • Error Redirect Page — redirect users to a custom page when an opt-in error occurs (rate limit, invalid email)

Double Opt-In reviews and ratings

9 reviews on WordPress.org, with the most recent ones as their authors posted them.

All reviews
5.0 out of 5

9 reviews

5★
9
4★
0
3★
0
2★
0
1★
0

  • Очень полезный и функциональный плагин!

    Очень полезный и функциональный плагин! Одно из немногих бесплатных решений для верификации email в формах. Великолепное юзабилити, удобный и понятный интерфейс, идеальный баланс настроек по соотношению функционал/сложность.

    viktoranisimov

  • Great plugin.

    Perfect plugin to avoid multiples entries on mail db. Great work.

    evoratec

  • Einfach zu bedienen ohne viel Schnickschnack

    Endlich mal ein Tool, welches von der Funktionalität das macht, was es soll.

    satler

  • Funktioniert

    Funktioniert alles und Support ist super kompetent und sympathisch

    lucafriedrich

  • Works as promised, outstanding support

    I tried this plug-in as I needed a simple double opt-in form and was already using wpcf7 for other forms.Configuration was easy and the plug-in packs everything I needed and more. It did not work at first, so I contacted the customer support and did not expect much.To my surprise, they replied within hours, checked my configuration, confirmed everything was right, took a backup of my website to investigate the issue and then sent me a fix (which had to do with a change in wpcf7's checkbox validation through an update). All of that within a day.This is customer support at its best! The amount of effort that went into fixing my problem and the fast replies were exceptional. Thank you Marc Wagner and Forge12!

    jbraucker

  • Perfect for a simple email subscription form with double opt-in

    After some trial and then error with other more sophisticated plug-ins, I was delighted to find this simple one does exactly what it says. It's not trying to be fancy and it integrates perfectly with Contact Form 7. I now have a simple email newsletter sign-up form with double opt-in. Once the user confirms their email address via the opt-in email request, the Contact Form 7 plug-in sends me an email with their address, and sends the subscriber a thank-you email.

    James C

Where Double Opt-In ranks on WordPress.org

The rankings we track that Double Opt-In appears in, and how its position changed over 30 days.

Ranking WordPress.org placement Position 30 days
Best GDPR Plugins #95 by tag, #44 in search #36 –

Double Opt-In alternatives

Plugins that solve the same problem, ranked by how closely they overlap with Double Opt-In.

All Double Opt-In alternatives

Details

Protect your Contact Form 7 forms with GDPR-compliant Double Opt-In. Ensure valid emails, prevent fake signups, and stay compliant.

The full description, screenshots and every review live on the WordPress.org page.

Rankings Double Opt-In competes in

Tags

  • contact form 7
  • double opt in
  • email verification
  • GDPR

More from Forge12 Interactive GmbH

Version
5.4.0
Last updated
Aug 28, 2026
First published
Dec 16, 2022
Requires WordPress
6.0
Tested up to
7.0.4
Requires PHP
7.4
Pricing
Free on WordPress.org

Double Opt-In FAQ

What does Double Opt-In do?

According to its WordPress.org readme, Double Opt-In offers Block-Based Email Templates — build your confirmation email from heading, text, button, spacer, divider and placeholder blocks, Double Opt-In for Contact Form 7 — per-form activation with full CF7 integration, Centralized Form Settings — manage all form integrations from a single admin panel, Email Template Presets — start from a pre-built template (one saved template on the free version) and Send Test Email — preview your confirmation emails before going live.

How many active installs does Double Opt-In have?

WordPress.org reports 1,000+ active installs for Double Opt-In as of September 7, 2026.

Is Double Opt-In still maintained?

Yes. The last release was on August 28, 2026 and it is tested up to WordPress 7.0.4.

Does Double Opt-In have good support?

On the WordPress.org forum, 1 of 1 recent support threads for Double Opt-In are marked resolved. That is the developer's free support; a paid version usually comes with its own channel.

Is Double Opt-In free?

Double Opt-In is free to install from WordPress.org. Many plugins also sell a paid version or add-ons.

Where does Double Opt-In rank among GDPR Plugins?

Double Opt-In is #36 in the WordPress.org GDPR Plugins ranking.