# davidshimjs/qrcodejs

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14,296 stars · 4,746 forks · JavaScript · MIT

## Links

- GitHub: https://github.com/davidshimjs/qrcodejs
- awesome-repositories: https://awesome-repositories.com/repository/davidshimjs-qrcodejs.md

## Description

This library is a client-side utility for generating QR code matrix patterns directly within web browsers. It functions as a frontend tool that converts text strings, URLs, and contact information into scannable visual data without requiring server-side processing.

The library provides a platform-agnostic interface that renders these patterns using either HTML5 canvas elements or dynamic document object model node injection. It incorporates matrix-based data encoding and Reed-Solomon error correction to ensure that the generated patterns remain readable even if portions of the image are damaged.

The project supports the creation of various scannable assets, including contact information for mobile address books and dynamic data visualizations. It is designed for integration into web interfaces to facilitate the embedding of machine-readable information.

## Tags

### Development Tools & Productivity

- [QR Code Generators](https://awesome-repositories.com/f/development-tools-productivity/qr-code-generators.md) — Provides a client-side utility for rendering scannable QR code patterns directly into web pages.

### Programming Languages & Runtimes

- [JavaScript](https://awesome-repositories.com/f/programming-languages-runtimes/programming-language-varieties/programming-languages/web-frontend-languages/javascript.md) — Implements a browser-based JavaScript library for generating visual matrix barcodes.

### Web Development

- [Client-Side Image Generators](https://awesome-repositories.com/f/web-development/client-side-image-generators.md) — Generates scannable barcode patterns entirely within the browser without server-side processing.

### Business & Productivity Software

- [Contact Encoders](https://awesome-repositories.com/f/business-productivity-software/contact-data-formats/contact-encoders.md) — Encodes contact details into scannable patterns for quick mobile address book integration.

### User Interface & Experience

- [Data Visualization Tools](https://awesome-repositories.com/f/user-interface-experience/data-visualization-tools.md) — Provides a lightweight library for embedding scannable information patterns into web interfaces.

### Data & Databases

- [Data Encoding](https://awesome-repositories.com/f/data-databases/data-encoding.md) — Encodes text into structured binary grids for machine-readable barcode patterns.

### Graphics & Multimedia

- [Barcode Generators](https://awesome-repositories.com/f/graphics-multimedia/web-page-media-generation/barcode-generators.md) — Renders graphical barcode assets dynamically within web pages using canvas or DOM nodes.

### Security & Cryptography

- [Error Correction Codes](https://awesome-repositories.com/f/security-cryptography/error-correction-codes.md) — Implements Reed-Solomon algorithms to ensure barcode readability despite potential image damage.