Select and set any of the options below under 'Text Control', 'Image Size', and 'Colors' (and optionally 'Advanced control'), or use the default initial values to affect the created GateKeeper. Follow the hints in the different tool-tips ( ) for the meaning of the parameters and/or their valid ranges. Then, to test your creation, press 'Test' in the 'Preview' window. The result will be presented in a few seconds in the 'Preview' window.
CAPTCHANIM GateKeepers can be integrated easily in websites using CAPTCHANIM PHP Library, or CAPTCHAIM Web API (for integration with other programming languages). You can also download a zip file containing Gatekeepers (gif animation + text file) below.