The Magic ePaper app is an open-source Flutter application that lets users design and transfer content to a tri-color, battery-free NFC ePaper badge. The app features an intuitive UI with drawing tools, text input, emoji support, font customization, and image editing (rotation, brightness, contrast, filters optimized for ePaper such as Floyd–Steinberg and Atkinson dithers). It supports NFC-based reading/writing of images and advanced NDEF data (text, URLs, vCards, app launch). A built-in Image Library stores processed images for quick transfers. Additional tools include QR/barcode generation, employee ID, and price tag creation.