Title: ZigZag Image Captcha for Contact Form 7 Author: Suraj Kumar Sinha Published: December 2, 2025 Last modified: December 31, 2025 --- Search plugins ![](https://ps.w.org/zigzag-image-captcha-cf7/assets/banner-772x250.png?rev=3419384) ![](https://ps.w.org/zigzag-image-captcha-cf7/assets/icon-256x256.png?rev=3419384) # ZigZag Image Captcha for Contact Form 7 By [Suraj Kumar Sinha](https://profiles.wordpress.org/surajkumarsinha/) [Download](https://downloads.wordpress.org/plugin/zigzag-image-captcha-cf7.1.1.zip) * [Details](https://wordpress.org/plugins/zigzag-image-captcha-cf7/#description) * [Reviews](https://wordpress.org/plugins/zigzag-image-captcha-cf7/#reviews) * [Development](https://wordpress.org/plugins/zigzag-image-captcha-cf7/#developers) [Support](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/) ## Description **ZigZag Image Captcha for Contact Form 7** adds a powerful, image-based captcha field designed to protect your forms from spam and bots. The plugin generates a **zig-zag distorted captcha image** with background noise, dots, lines, and randomized angles — making it extremely difficult for automated bots to solve. It integrates seamlessly with **Contact Form 7**, works fully with **AJAX submissions**, and displays **native CF7 validation errors**. ### 🔒 Features * Secure zig-zag distorted image captcha * Random characters with noise, distortion, and angled letters * One-click image refresh * Session-based secure validation * Expiration timer with auto-regeneration * Native Contact Form 7 error messages * Works with AJAX and non-AJAX forms * Lightweight and optimized * No external API required * Fully responsive and accessible ### ⚙️ Notes * Requires **Contact Form 7** to be installed and active * No third-party services or tracking * Fully self-hosted captcha generation ### How to Use 1. Open **Contact Form 7 Edit Form** 2. Insert the captcha field where you want it to appear: `[imagecaptcha* cf7_image_captcha]` 3. Save the form 4. Done! 🎉 The captcha will automatically validate submissions > The `*` makes the captcha field **required**. ## Reviews ![](https://secure.gravatar.com/avatar/32caff2750679aab991b046d1a36307508012ac00a65c94bc112704434560888? s=60&d=retro&r=g) ### 󠀁[Simple and Effective Spam Protection](https://wordpress.org/support/topic/simple-and-effective-spam-protection/)󠁿 [saalim02091999](https://profiles.wordpress.org/saalim02091999/) December 26, 2025 Simple and effective plugin that adds an extra layer of spam protection without hurting user experience. It is lightweight, easy to configure, and works seamlessly with Contact Form 7. [ Read all 1 review ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## Contributors & Developers “ZigZag Image Captcha for Contact Form 7” is open source software. The following people have contributed to this plugin. Contributors * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) [Translate “ZigZag Image Captcha for Contact Form 7” into your language.](https://translate.wordpress.org/projects/wp-plugins/zigzag-image-captcha-cf7) ### Interested in development? [Browse the code](https://plugins.trac.wordpress.org/browser/zigzag-image-captcha-cf7/), check out the [SVN repository](https://plugins.svn.wordpress.org/zigzag-image-captcha-cf7/), or subscribe to the [development log](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/) by [RSS](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/?limit=100&mode=stop_on_copy&format=rss). ## Meta * Version **1.1** * Last updated **5 months ago** * Active installations **20+** * WordPress version ** 5.0 or higher ** * Tested up to **6.9.4** * PHP version ** 7.4 or higher ** * Tags * [captcha](https://wordpress.org/plugins/tags/captcha/)[cf7](https://wordpress.org/plugins/tags/cf7/) [contact form 7](https://wordpress.org/plugins/tags/contact-form-7/)[form security](https://wordpress.org/plugins/tags/form-security/) [image captcha](https://wordpress.org/plugins/tags/image-captcha/) * [Advanced View](https://wordpress.org/plugins/zigzag-image-captcha-cf7/advanced/) ## Ratings 5 out of 5 stars. * [ 1 5-star review ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=5) * [ 0 4-star reviews ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=4) * [ 0 3-star reviews ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=3) * [ 0 2-star reviews ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=2) * [ 0 1-star reviews ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=1) [Your review](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/#new-post) [See all reviews](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## Contributors * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) ## Support Got something to say? Need help? [View support forum](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/)