- image: Raster images via the GD extension
- ImageMagick: Raster Images via ImageMagick
- SVG: Scalable Vector Graphics
- HTML: HTML markup
- FPDF: PDF output via FPDF
- String: String output
- Custom output: a simple example that demonstrates the usage of custom output classes
- GD Image with logo: a logo on top of the QR Code
- GD image with text: description text under the QR Code (#35)
- Interactive output: interactive demo (via index.html)