10 Powerful jQuery Captcha Plugins

CAPTCHA is designed to recognize the difference between a bot and human and sometimes even malicious software to provide the security to your web system. You have seen Captcha at the time of signup, putting comments on any site, contact forms etc. Here are 10 jQuery Captcha plugin that helps you protect your web pages from bots and spammers.


See also:


MotionCAPTCHA

MotionCAPTCHA is a jQuery CAPTCHA plugin that requires users to sketch the shape they see in the canvas in order to submit a form.

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QapTcha

QapTcha is a draggable jQuery captcha system with jQuery UI ! QapTcha is an easy-to-use, simple and intuitive captcha system. It needs human action instead of to read a hard text and it is a very lightweight jQuery plugin.

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Ajax Fancy Captcha

Ajax Fancy Captcha is a jQuery plugin that helps you protect your web pages from bots and spammers.

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jQuery Fancy Draggable Captcha

jQuery example for a captcha in a registration form. In order to pass the “Are you human” test, the user has to drag the numbers from 1 to 6 into order.

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reCaptcha style Captcha with JQuery and PHP

This tutorial is about to creating a captcha same as recaptcha.

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s3Capcha

It is an advanced plugin script that asks for choosing the correct image instead of asking to recognize the difficult text.

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Ajax Stylish Captcha and Contact Form using JQuery and PHP

This tutorial is about AJAX based contact form with jQuery validation and AJAX based captcha.

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jQuery Real Person

This plugin is designed to help overcome automated form submission by requiring a “real person” to identify text made up of dots. The entered value is compared on the server with the generated value to determine whether processing should continue.

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Sexy Captcha

Sexy Captcha is a truly ajaxified, sexy captcha module. It’s visually stimulating, functional and returns immediate feedback on whether the user’s answer was correct.

 

jQuery.buttonCaptcha

This plugin protects your site from robots using jQuery. To unlock captcha you need to drag letters into baskets and get some simple word, or site name, which was typed in options.

 

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