Security Module

Simple CAPTCHA

Simple CAPTCHA provides self-hosted bot protection without external services. Choose from math problems, text-based questions, or image CAPTCHAs. No API keys, no data sent to third parties, no privacy concerns. Protects login, registration, comments, and common form plugins. Perfect for privacy-conscious sites that want spam protection without Google or Cloudflare dependencies.

captcha math spam security privacy self-hosted login registration

Simple CAPTCHA • Part of 165+ modules $349 $249

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Key Features

Math problem CAPTCHA (easy, medium, hard)
Custom text question CAPTCHA
Image-based CAPTCHA with distortion
Self-hosted - no external services
Contact Form 7 and Fluent Forms integration
Login, registration, and comment protection

Why Use This Module?

  • Self-hosted CAPTCHA
  • No external dependencies
  • Math, text, or image options
  • Privacy respecting
  • Protects multiple forms

Real-World Use Cases

Privacy-First Spam Protection

Block form spam without sending data to Google or Cloudflare using self-hosted math problems and image CAPTCHAs.

Offline-Compatible Sites

Protect forms on intranet or local network sites where external CAPTCHA services aren't accessible.

No Third-Party Dependencies

Use text or image CAPTCHAs that work even if external services are blocked or unavailable in certain regions.

How to Use

Configure CAPTCHA type (math, text, or image) in Module Settings. Select which forms to protect and choose difficulty level.

Benefits & Impact

Time Savings

Automates manual tasks and streamlines your workflow

Performance Boost

Enhances site security and protection

Better UX

Provides a better user experience

Easy Maintenance

Simple setup with minimal ongoing maintenance

Frequently Asked Questions

Is self-hosted CAPTCHA effective?

Stops basic bots. Sophisticated attackers may solve simple challenges. Balance usability with protection level needed.

Which CAPTCHA type is best?

Math problems are simple and effective. Image CAPTCHAs are stronger but require more user effort.

Why not use Google reCAPTCHA?

Some sites prefer avoiding external services for privacy, GDPR, or network availability reasons.

What Users Are Saying

"No data to Google. Simple math CAPTCHA stops most spam."

— Privacy Focused

"Site needs to work without external services. Self-hosted CAPTCHA fits."

— Offline Capable

"Do not need Google level protection. Basic CAPTCHA handles our spam."

— Simple Needs

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