XCaptcha - CAPTCHA Images for ASP.NET MVC

What is XCaptcha?

XCaptcha is an extendable and simple to use framework for creating CAPTCHA images:

For a working example please see: http://www.somebody4u.com/contactus

Version 2

Updated to .Net 4
Refresh button added
Stateless - no longer requires Session or TempData to maintain state.
Model-based validation

*Documentation coming soon. For now, please see sample project.

Version 1 setup

The 'X' in XCaptcha is for extendable. It has been designed using a Plug-in model so you can easily change the appearance and functionality by adding your own custom implementations.

How to use

In the View:



In the Controller:

How to Customise

Creating a custom canvas
The canvas is the background area behind the text. It also controls the width and height.
Here’s how to create the above custom canvas:



Customising the text



Customising the distort
The distort controls the amount of distortion applied to the text:



Customising the noise
Noise is added to make the text more difficult to read.



Then just add your custom classes to the constructor





Other Customisations

• Change number of characters in the random text
• Add your own text
• Turn off noise
• Add your own random text generator

Please Contribute
If you’ve created a pretty good CAPTCHA, please share it with others by clicking on Source Code > Upload Patch. Thanks




Buy me a coffee to sponsor this project!