Title: ZigZag Image Captcha for Contact Form 7 Author: Suraj Kumar Sinha Published: 2 Dicembre 2025 Last modified: 27 Settembre 2026 --- Ricerca i plugin ![](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 Di [Suraj Kumar Sinha](https://profiles.wordpress.org/surajkumarsinha/) [Scarica](https://downloads.wordpress.org/plugin/zigzag-image-captcha-cf7.1.3.zip) * [Dettagli](https://it.wordpress.org/plugins/zigzag-image-captcha-cf7/#description) * [Recensioni](https://it.wordpress.org/plugins/zigzag-image-captcha-cf7/#reviews) * [Sviluppo](https://it.wordpress.org/plugins/zigzag-image-captcha-cf7/#developers) [Supporto](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/) ## Descrizione **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**. ## Recensioni ![](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/) 26 Dicembre 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. [ Leggi la recensione di 1 ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## Contributi e sviluppo “ZigZag Image Captcha for Contact Form 7” è un software open source. Le persone che hanno contribuito allo sviluppo di questo plugin sono indicate di seguito. Collaboratori * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) [Traduci “ZigZag Image Captcha for Contact Form 7” nella tua lingua.](https://translate.wordpress.org/projects/wp-plugins/zigzag-image-captcha-cf7) ### Ti interessa lo sviluppo? [Esplora il codice](https://plugins.trac.wordpress.org/browser/zigzag-image-captcha-cf7/) segui il [repository SVN](https://plugins.svn.wordpress.org/zigzag-image-captcha-cf7/), segui il [log delle modifiche](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/) tramite [RSS](https://plugins.trac.wordpress.org/log/zigzag-image-captcha-cf7/?limit=100&mode=stop_on_copy&format=rss). ## Changelog #### 1.3 * Fixed an issue with image handling when the GD extension is unavailable. #### 1.2 * Fixed an issue that blocked website form submissions when clicking the submit button. * Improved the user interface. #### 1.1 * Updated plugin release. #### 1.0 * Initial release. ## Meta * Versione **1.3** * Ultimo aggiornamento **2 settimane fa** * Installazioni attive **50+** * Versione WordPress ** 5.0 o superiore ** * Testato fino alla versione **7.1.3** * Versione PHP ** 7.4 o superiore ** * Lingua * [English (US)](https://wordpress.org/plugins/zigzag-image-captcha-cf7/) * Tag * [captcha](https://it.wordpress.org/plugins/tags/captcha/)[cf7](https://it.wordpress.org/plugins/tags/cf7/) [contact form 7](https://it.wordpress.org/plugins/tags/contact-form-7/)[form security](https://it.wordpress.org/plugins/tags/form-security/) [image captcha](https://it.wordpress.org/plugins/tags/image-captcha/) * [Visualizzazione avanzata](https://it.wordpress.org/plugins/zigzag-image-captcha-cf7/advanced/) ## Valutazioni 5 su 5 stelle. * [ 1 5- recensioni a stelle ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=5) * [ 0 recensioni a 4-stelle ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=4) * [ 0 recensioni a 3-stelle ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=3) * [ 0 recensioni a 2-stelle ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=2) * [ 0 recensioni a 1-stelle ](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/?filter=1) [La tua recensione](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/#new-post) [Vedi tutte le recensioni](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/reviews/) ## Collaboratori * [ Suraj Kumar Sinha ](https://profiles.wordpress.org/surajkumarsinha/) ## Supporto Problemi risolti negli ultimi due mesi: 1 su 1 [Chiedi nel forum di supporto](https://wordpress.org/support/plugin/zigzag-image-captcha-cf7/)