Stop contact form spam with BotShield CAPTCHA for Contact Form 7. This all-in-one anti-spam plugin integrates Google reCAPTCHA (v2 Checkbox & v3 Invisible), Cloudflare Turnstile (privacy-focused), and lightweight built-in Arithmetic/Image CAPTCHA challenges to block bots while letting real users pass.

Whether you need strict security or a friction-free user experience, BotShield gives you complete control over your specific form protection needs. No more spam submissions, fake leads, or automated bot attacks.

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Key Features & Benefits

Multi-Provider Support: Choose between Google reCAPTCHA, Cloudflare Turnstile, or Self-hosted challenges.
Google reCAPTCHA Integration: Supports both v2 (“I’m not a robot”) and v3 (Invisible) keys.
Cloudflare Turnstile: The modern, privacy-friendly alternative that stops bots without annoying puzzles.
Lightweight Built-in Protection: Use simple Math or Image CAPTCHAs without needing any external API keys.
Seamless Contact Form 7 Integration: Adds a dedicated “BotShield” tag generator button directly to the CF7 editor.
Mobile Optimized: Fully responsive challenges that work perfectly on smartphones and tablets.
Privacy-Conscious Options: Built-in challenges keep verification on your server, while Turnstile minimizes user friction.
Accessibility Ready: WCAG 2.1 compliant designs for screen reader support.

Flexible Protection Options

1. Google reCAPTCHA (The Industry Standard)
* v2 Checkbox: The classic “I’m not a robot” checkbox users trust.
* v3 Invisible: valid users are verified in the background with zero interaction.

2. Cloudflare Turnstile (Privacy-First)
* Verify visitors without solving complex puzzles. Smart, fast, and respectful of user privacy.

3. Built-in Challenges (No Keys Required)
* Arithmetic: Simple math questions (e.g., 7 + 2 = ?) effective against basic bots.
* Alphanumeric: Distorted text images for traditional verification.
* Zero external dependency, 100% self-hosted.

Perfect For

Contact forms
Registration forms
Quote request forms
Newsletter signups
Any Contact Form 7 form needing spam protection

Requirements

WordPress 5.0 or higher
Contact Form 7 plugin (must be active)
PHP 7.4 or higher
GD PHP extension for image CAPTCHAs

Privacy Policy

BotShield CAPTCHA does not store or sell form-user profiles, add tracking cookies, or share information for advertising. Built-in Arithmetic and Alphanumeric challenges are processed on your WordPress server. If you enable Google reCAPTCHA or Cloudflare Turnstile, the browser and server communicate with that provider to verify the challenge; those services are governed by their own privacy policies and terms.

Support & Documentation

Support Forum: https://wordpress.org/support/plugin/botshield-captcha/