
How to Use
This tool helps you analyze and repair damaged QR codes that won't scan normally. **Getting Started:** • Click "New Project" then choose to create a blank QR code, import from image, or import from text • Load a sample image of your damaged QR code in the right panel for reference **Drawing Tools (Left Panel):** • Click black/white pixel tools to paint modules • Use eraser tool to remove pixels • Fill tool fills areas quickly • Adjust QR code version (size) using +/- buttons • Change module display size for easier editing **Mouse Controls:** • Left-click to paint pixels on the QR grid • Use selected tool (black, white, eraser, fill) to modify the code **Decoding:** • Click "Decode" button to attempt reading your reconstructed QR code • Tool will try different format patterns automatically if needed **Advanced Tools Menu:** • Extract QR Information - analyzes code structure • Reed-Solomon Decoder - error correction for damaged data • Data Masking - removes XOR patterns • Brute-force Format Info - tries all format possibilities **Save/Load:** • Save your work to continue later • Export final result when complete The goal is to manually reconstruct missing or damaged parts until the QR code becomes readable.