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
- Open Contact Form 7 Edit Form
- Insert the captcha field where you want it to appear:
[imagecaptcha* cf7_image_captcha] - Save the form
- Done! 🎉 The captcha will automatically validate submissions
The
*makes the captcha field required.
Reviews
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.
Contributors & Developers
“ZigZag Image Captcha for Contact Form 7” is open source software. The following people have contributed to this plugin.
Contributors
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Interested in development?
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