# Kendo UI for jQuery Validator Overview

The Kendo UI Validator widget offers a simple way to do client-side form validation.

Built around the HTML5 form validation attributes, it supports a variety of built-in validation rules and provides a convenient way for setting custom-rule handling. The Validator is a powerful framework component and essential for any application that collects user input.

![Kendo UI for jQuery Validator with Basic Configuration](https://www.telerik.com/kendo-jquery-ui/documentation/assets/3091041f8370df18bdbe0b674704b22d/validator-basic.png)

## Functionality and Features

* [Forms validation](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/forms)—When working with the Validator, you can use the HTML5 form validation attributes.
* [Validation rules](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/rules)—Apart from enabling you to use its default validation rules, the Validator also provides options for implementing custom validation rules and custom messages.
* [Tooltip](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/tooltip)—The Validator also provides setting for managing the rendering behavior of its tooltips.

## Next Steps

* [Getting Started with the Kendo UI Validator for jQuery](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/get-started)
* [Basic Usage of the Validator (Demo)](https://demos.telerik.com/kendo-ui/validator/index)
* [JavaScript API Reference of the Validator](https://www.telerik.com/kendo-jquery-ui/documentation/api/ui/validator)

## See Also

* [Validation Rules](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/rules)
* [Tooltip](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/tooltip)
* [HTML5 Form Constraints](https://www.telerik.com/kendo-jquery-ui/documentation/controls/validator/forms)