How do I add a logo to a QR code with angularx-qrcode?

Use the imageSrc, imageWidth, and imageHeight parameters in the qrcode component. For example, set [imageSrc]="'logo.png'" and adjust dimensions to center the image, as demonstrated in the demo app for custom branding.

Is angularx-qrcode compatible with Angular 21?

Yes, it fully supports Angular 21 with the latest version (^21.0.5), and the README provides specific npm install commands for each Angular version from 4 to 21, ensuring smooth integration.

angularx-qrcode vs ngx-qrcode: which should I use?

angularx-qrcode is actively maintained with updates for newer Angular features like standalone components, while ngx-qrcode is often outdated. Choose angularx-qrcode for better support and compatibility, but check specific feature needs.

How to download a QR code generated by angularx-qrcode?

Use the qrCodeURL event emitter to get a sanitized URL, then create a download link in your template. The README includes a working sample in the demo app directory for implementing downloadable QR codes.

Does angularx-qrcode work with server-side rendering (SSR)?

Yes, it fully supports SSR as of version 1.6.0, with no additional workarounds needed, making it suitable for Angular Universal applications and improving performance for SEO.

Can I use angularx-qrcode in Ionic mobile apps?

Absolutely, it's compatible with Ionic 3-8, and the installation process mirrors Angular, with version-specific packages ensuring smooth integration for hybrid mobile development.

Open-Awesome

angularx-qrcode

MITTypeScriptv21.0.5

A fast and easy-to-use Angular library for generating QR codes with Ivy, AOT, and SSR support.

Visit Website GitHub

508 stars135 forks0 contributors

What is angularx-qrcode?

angularx-qrcode is an Angular library that enables developers to generate QR codes directly within their Angular applications. It solves the need for a simple, integrated QR code solution without relying on external services or complex setups. The library offers extensive customization and supports modern Angular features like Ivy and server-side rendering.

Target Audience

Angular developers building web or Ionic mobile applications that require QR code generation, such as for sharing links, authentication, or data encoding.

Value Proposition

Developers choose angularx-qrcode for its seamless Angular integration, active maintenance, and comprehensive feature set including accessibility support, image overlays, and compatibility across Angular versions. It serves as a reliable, drop-in replacement for deprecated alternatives like ng2-qrcode.

Overview

A fast and easy-to-use Angular QR Code Generator library with Ivy support

Use Cases

Best For

Adding QR code generation to Angular web applications
Building Ionic mobile apps with QR code functionality
Creating accessible QR codes with alt text and aria labels
Generating QR codes with custom logos or branding
Implementing server-side rendered QR codes in Angular
Providing downloadable QR codes in user interfaces

Not Ideal For

Projects built with non-Angular frameworks like React or Vue.js
Applications requiring QR code scanning in addition to generation
Teams prioritizing minimal bundle size, as it adds an external dependency
Static sites or projects needing QR codes without any JavaScript runtime

Pros & Cons

Pros

Angular Native Integration

Seamlessly integrates with Angular 4-21 and Ionic 3-8, with version-specific packages ensuring compatibility for modern features like Ivy, AOT, and SSR, as detailed in the installation table.

Extensive Customization Options

Offers rich styling through parameters like colorDark, colorLight, imageSrc, and elementType (canvas, SVG, img, URL), allowing tailored QR codes for branding, as shown in the demo app.

Accessibility Support

Includes built-in attributes for alt, aria-label, and title, making QR codes more accessible for screen readers and compliant with web standards, enhancing usability.

Active Maintenance

Regularly updated for new Angular versions, with a clear version compatibility table and active development history, ensuring long-term reliability.

Cons

Version-Specific Complexity

Requires different installation and import methods based on Angular version (e.g., standalone component for Angular 19+, module for earlier), complicating upgrades and increasing setup friction.

External Dependency Overhead

Relies on node-qrcode under the hood, introducing potential security vulnerabilities, updates outside library control, and adding to bundle size compared to native solutions.

Limited to Generation Only

Exclusively handles QR code generation, not scanning or decoding, so developers must integrate additional libraries for full QR code functionality in apps.

Frequently Asked Questions

Related Projects

qrcode-angular

Prove your self

Stars1,251

Forks226

Last commit13 hours ago

ngx-scanner

Angular QR code, Barcode, DataMatrix, scanner component using ZXing.

Stars666

Forks235

Last commit2 days ago

ngx-kjua

Angular QR-Code generator component using kjua.

Stars93

Forks15

Last commit3 months ago

ng-qrcode

Easy to use AOT compatible QR code generator for Angular projects.

Stars55

Forks12

Last commit13 days ago

Community-curated · Updated weekly · 100% open source

Found a gem we're missing?

Open-Awesome is built by the community, for the community. Submit a project, suggest an awesome list, or help improve the catalog on GitHub.

Submit a project Star on GitHub