Securimage
Securimage is an open source CAPTCHA script written in PHP that generates complex image and audio CAPTCHAs. It can help protect websites from spam and abuse.
captcha
spam-prevention
security
php
Securimage: Open Source CAPTCHA Scripts
An open source PHP CAPTCHA script generating complex image and audio CAPTCHAs to protect websites from spam and abuse
What is Securimage?
Securimage is an open source CAPTCHA script written in PHP that generates complex image and audio CAPTCHAs to protect websites from spam bots and other types of automated abuse. It has the following key features:
- Generates distorted, colorized and noisy CAPTCHA images and audio files that are difficult for bots to recognize
- Offers multiple CAPTCHA types including ASCII, alphanumeric, and math CAPTCHAs
- Highly customizable - control image size, fonts, colors, backgrounds, noise levels, and more
- Includes audio CAPTCHAs for improved accessibility
- Open source code so you can customize it to suit your needs
- Provides backup CAPTCHAs in case images cannot be rendered
- Supports multiple languages
- Easy to integrate into new and existing PHP applications and web forms
Overall, Securimage is a robust, full-featured, and customizable CAPTCHA solution to help websites defend themselves against spam, brute-force attacks, and scrapers while letting valid users pass through with ease.
Securimage Features
Features
- Generates random CAPTCHA images and audio
- Multiple image and audio CAPTCHA modes
- Customizable image and audio output
- Multiple image effects and backgrounds
- Refreshable CAPTCHA codes
- CAPTCHA code validation
- Customizable difficulty levels
- Multiple languages supported
- Secure session CAPTCHA codes
- Customizable CAPTCHA size and fonts
- GD, Imagick and SVG support
- Flash audio streaming support
Pricing
- Open Source
Pros
Open source and free
Highly customizable
Multiple CAPTCHA modes
Wide range of options and features
Supports various languages
Provides good spam protection
Cons
Setup can be complex
Requires PHP and GD or Imagick
Limited documentation
Not beginner friendly
Requires some programming knowledge
Official Links
The Best Securimage Alternatives
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