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Progress Telerik UI for ASP.NET AJAX

Captcha

  • Various Protection Modes

    Choose between the captcha, an invisible textbox or a minimum form submission time to prevent automated form submissions.
    Telerik.Sitefinity.Libraries.Model.Image..AlternativeText
  • Audio Support

    Enable your captcha control to be read via a generated audio code, ideal in accessibility situations.
    Telerik.Sitefinity.Libraries.Model.Image..AlternativeText
  • Validation Summary

    Display your captcha errors in your existing validation summary control.
  • Custom Character Set

    Define which character set the captcha control will derive its image from.
  • Localization and Accessibility

    Provide a captcha interface for all of your users—regardless of preferred language. Thanks to the localization mechanism, based off of ASP.NET localization, you can serve the control in any language you have defined for your application.

Next Steps

Launch demos

See the UI for ASP.NET AJAX in action and check how much it can do out-of-the-box.

See pricing

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Try UI for ASP.NET AJAX with dedicated technical support.