Scratch QR Code Generator

Generate real QR Codes entirely inside Scratch!

This project implements a QR Code generator from scratch using only vanilla Scratch blocks—no extensions, external websites, or cloud services.

✨ Features:

 • Generates standards-compliant QR Codes

 • Supports QR Versions 1–40 

 • Supports Numeric, Alphanumeric, and Byte modes 

 • Supports all four Error Correction Levels (L, M, Q, H) 

 • Supports all 8 mask patterns 

 • Automatically selects the smallest QR version that fits your data 

 • Implements Reed–Solomon error correction and the complete QR encoding process

Everything—from data encoding and error correction to matrix generation and rendering—is calculated inside Scratch.

If you find any bugs or have suggestions, feel free to leave a comment.

Have fun exploring how QR Codes work!