Suraj Kumar Sinha

<p><strong>ZigZag Image Captcha for Contact Form 7</strong> adds a powerful, image-based captcha field designed to protect your forms from spam and bots.</p>
<p>The plugin generates a <strong>zig-zag distorted captcha image</strong> with background noise, dots, lines, and randomized angles — making it extremely difficult for automated bots to solve.</p>
<p>It integrates seamlessly with <strong>Contact Form 7</strong>, works fully with <strong>AJAX submissions</strong>, and displays <strong>native CF7 validation errors</strong>.</p>
<h3>🔒 Features</h3>
<ul>
<li>Secure zig-zag distorted image captcha  </li>
<li>Random characters with noise, distortion, and angled letters  </li>
<li>One-click image refresh  </li>
<li>Session-based secure validation  </li>
<li>Expiration timer with auto-regeneration  </li>
<li>Native Contact Form 7 error messages  </li>
<li>Works with AJAX and non-AJAX forms  </li>
<li>Lightweight and optimized  </li>
<li>No external API required  </li>
<li>Fully responsive and accessible  </li>
</ul>
<h3>⚙️ Notes</h3>
<ul>
<li>Requires <strong>Contact Form 7</strong> to be installed and active</li>
<li>No third-party services or tracking</li>
<li>Fully self-hosted captcha generation</li>
</ul>
<h3>How to Use</h3>
<ol>
<li>Open <strong>Contact Form 7 <span aria-hidden="true" class="wp-exclude-emoji">→</span> Edit Form</strong></li>
<li>Insert the captcha field where you want it to appear: <code>[imagecaptcha* cf7_image_captcha]</code></li>
<li>Save the form</li>
<li>Done! 🎉 The captcha will automatically validate submissions</li>
</ol>
<blockquote>
<p>The <code>*</code> makes the captcha field <strong>required</strong>.</p>
</blockquote>


ZigZag Image Captcha for Contact Form 7

Adds a secure, flexible image captcha field to Contact Form 7 with zig-zag protection, timer, refresh, AJAX validation, and accessibility support.

captcha.soft

<p>Image Captcha plugin is a powerful captcha protection for WordPress login and comment forms. Image Captcha – it’s free and easy to use tool that will protect you from spam in the comments and prevent hacking the admin panel. In order to post comments or login, users will have to enter the name of the object in the picture. This prevents spam from automated bots. You can also set a ban by ip-address after three wrong inputs.</p>
<h4>Features</h4>
<ul>
<li>Captcha on Login form</li>
<li>Captcha on Register form</li>
<li>Captcha on Lost Password form</li>
<li>Captcha on Comment form</li>
<li>Ban by ip-address after three wrong inputs</li>
<li>An ability to add custom captcha images</li>
</ul>
<h4>Translation</h4>
<ul>
<li>Russian (ru_RU)</li>
</ul>
<h4>Technical support</h4>
<p>If you notice any bugs in the plugins, you can notify us about it and we’ll investigate and fix the issue then. Your request should contain URL of the website, issues description and WordPress admin panel credentials.</p>


Image Captcha

An easy to use wordpress Captcha plugin to prevent spam on your site. You can use Image Captcha to protect comments and the admin panel.

ZigZag Image Captcha for Contact Form 7 vs Image Captcha