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JR SecurImage

Securimage is an open-source PHP CAPTCHA script for generating complex images and CAPTCHA codes to protect forms from spam and abuse. It can be easily added into existing forms on your website to provide protection from spam bots. It can run on most any webserver as long as you have PHP installed, and GD support within PHP. Securimage does everything from generating the CAPTCHA images to validating the typed code. Audible codes can be streamed to the browser with Flash for the vision impaired.


  • Show an image in just 3 lines of code
  • Validate submitted entries in less than 6 lines of code
  • Customizable code length, character sets, and Unicode support
  • TTF font support
  • Easily add background images
  • Several security features such as image distortion, random lines, and noise
  • Flash button to stream audible codes in WAV format
  • Ability to use a word list
  • Case sensitive option for added security
  • Display alphanumeric captchas, mathematical captchas, or a multi word captcha
  • Highly customizable!

Stable 3.6.2

Released on:
Friday, 25 December 2015 22:00
5794 times
  • Fix HTML5 audio playback on iOS devices (audio data is stored in the session and/or database to support HTTP range requests required by iOS)
  • Add a file where configuration settings (e.g. image display preferences, database settings) can be put to ease upgrading and allow securimage.php, securimage_show.php, and securimage_play.php to easily use the same settings.
  • Improved error messages if audio playback fails.

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