ASP.NET Core OTP Input Control

Overview

The ASP.NET Core OTP Input is a versatile form control designed for entering one-time passwords (OTP) during multi-factor authentication. It accepts a single character per input field, ensuring a focused and straightforward user experience. It offers extensive customization options with several built-in features, including input types, input lengths, styling modes, placeholders, separators, and more.

ASP.NET Core OTP Input control

Input types

The ASP.NET Core OTP Input control has three input types:

Number: The default input type, allowing digit entries only.
Text: Allows alphanumeric and special character entries for complex OTP inputs.
Password: Similar to the text type, but masks input characters for privacy.

ASP.NET Core OTP Input types

ASP.NET Core OTP Input styling modes

Styling modes

The built-in styling modes are as follows:

Outlined: The default styling mode, displaying a border around the input fields.
Filled: Fills the input fields with a background color and includes an underline.
Underlined: Highlights each input field with an underline for a sleek look.

Placeholders

Display a hint character in each input field to indicate the expected value. If defined as a single character, it will be shown in all fields; otherwise, each field will display a part of the string based on its length.

ASP.NET Core OTP Input placeholder

ASP.NET Core OTP Input separator

Separators

Specify a character to be placed between input fields, customized to enhance the visual separation of OTP inputs.

Validation state

The ASP.NET Core OTP Input control allows you to set the validation state, displaying success, warning, or error states based on the input validation.

ASP.NET Core OTP Input validation state

Customization

Customize the length of the OTP Input, styling for each field, the focusing state, and more.

ASP.NET Core OTP Input

Input length

Adjust the length of the input fields, with a default display of four input fields.

ASP.NET Core OTP Input

Rounded fields

Customize the appearance of the OTP Input with rounded fields, enhancing its visual appeal.

ASP.NET Core OTP Input

Field styling

Customize the color, background color, and focus color of the input fields to enhance their appearance and make them stand out.

Built-in themes

The ASP.NET Core OTP Input supports these built-in themes: Tailwind CSS, Bootstrap 5, Bootstrap 4, Bootstrap, Material, Fabric, Fluent, and high contrast. Users can customize one of these built-in themes or create new themes to achieve their desired look and feel by simply overriding SASS variables or using our Theme Studio application.

Theme Studio application

Accessibility

Full support for WAI-ARIA accessibility practices to work with screen readers and assistive devices.
UI visual elements such as foreground color, background color, line spacing, text, and images are designed based on WCAG 2.0 standards.
Right-to-left (RTL) text direction can be set for users working with RTL languages like Hebrew, Arabic, or Persian.

Developer-friendly APIs

The ASP.NET Core OTP Input control offers APIs for customizing its appearance and behavior, as well as templates for changing its look and feel. With these APIs, developers can create a unique and highly customized OTP Input that fits seamlessly into their applications.

Rated by users across the globe

Great and flexible controls to build web applications

Controls meet specifications to develop web applications (ASP.NET MVC and Core in my case) and provide a lot of features to develop world-class software. There are options for other frameworks/platforms. Support is excellent which makes me feel very confident when facing trouble, they provide answers in 24 hours. Support team will make a big effort to solve your issues and they are ready for a phone call and to remotely connect to your PC.

Jorge M,

Founder and Software Architect, Small-Business

Great tool, saves alot of time, and great support

Syncfusion really makes it simple to implement features that would take a ton of time and effort to create. When you're building your site, the UI can take a ton of time away from building the core app. With Syncfusion's tools it reduces that effort significantly so you can get back to building the core elements.