A Blazor component for generating QR codes. This component encodes specified data into a QR code image, which can be customized in terms of size, colors, and error correction level. The QR code is generated as an SVG for optimal scalability and clarity.

Check out the QRCode component on the demo site!

To install the package, you can either install with the following command: Install-Package PinguApps.Blazor.QRCode Or you can search in the Nuget package manager for PinguApps.Blazor.QRCode.

Once the package is installed, you will want to add the following statement to your _Imports.razor:

@using PinguApps.Blazor.QRCode

Now you can simply use the component:

<QRCode Data="My Data!" Size="150px" />

The data to be encoded into the QR code.

Sets the error correction level for the QR code, which enables it to be decoded even if partially damaged or obscured.

Sets the width and height of the generated SVG.

The number of empty cells as padding around the QR code.

Sets the foreground color of the QR code.

Sets the background color of the QR code.

Provides an accessible description for the QR code, enhancing usability for screen reader users. This description is used as the aria-label attribute value of the QR code's SVG element, offering context or details about the QR code's content or purpose.

Optional CSS class to be applied to the QR code.

Optional ID to be applied to the QR code.

• JavaScript-Free: No dependency on JavaScript, ensuring full functionality even in environments where JavaScript is disabled or not supported.
• Static SSR & Prerendering Compatibility: Seamlessly works with static SSR (Server-Side Rendering) and prerendering scenarios, making it suitable for the static SSR pages of the new .NET Identity template as a 2FA QR code generator.
• Option to add logo or image: Allows the ability to add your own image to the center of the QR Code. If using this then favour selecting higher error correction values.
• Adjustable Error Correction: Allows setting the error correction level (Low, Medium, Quartile, High) to make the QR code decodable even when partially damaged or obscured.
• Dynamic Data Encoding: Capable of encoding provided string data into the QR code, facilitating versatile usage scenarios.
• Customizable Size: Supports setting the width and height of the generated SVG QR code, with a default of "100%" for flexible integration into various UI designs.
• Configurable Padding: Allows specifying the number of empty cells as padding around the QR code to adjust its appearance, with a default setting of 1.
• Foreground and Background Color Customization: Offers options to set the foreground and background colors of the QR code, defaulting to black (#000000) and white (#ffffff), respectively.
• Accessibility Support: Enhances usability for screen reader users with an accessible description for the QR code, which is used as the aria-label attribute value of the SVG element.
• Styling Options: Supports optional CSS class and ID attributes for the QR code, enabling further customization and styling flexibility.