qr_code_generator

Description

This project aims to be the best, clearest QR Code generator library in multiple languages. The primary goals are flexible options and absolute correctness. Secondary goals are compact implementation size and good documentation comments.

Home page with live JavaScript demo, extensive descriptions, and competitor comparisons: https://www.nayuki.io/page/qr-code-generator-library

Core features:

* Available in 7 programming languages, all with nearly equal functionality: Java, JavaScript, TypeScript, Python, C++, C, Rust * Significantly shorter code but more documentation comments compared to competing libraries * Supports encoding all 40 versions (sizes) and all 4 error correction levels, as per the QR Code Model 2 standard * Output formats: Raw modules/pixels of the QR symbol (all languages), SVG XML string (all languages except C), BufferedImage raster bitmap (Java only), HTML5 canvas (JavaScript and TypeScript only) * Encodes numeric and special-alphanumeric text in less space than general text * Open source code under the permissive MIT License