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This article introduces a dithered QR code generator that lets you embed photos into QR codes while keeping them scannable, explaining the underlying techniques such as function patterns, Bayer dithering, and Floyd-Steinberg error diffusion.
A tool to avoid generating QR codes that inadvertently resemble swastikas.
Jim Paris releases an experimental TrueType OpenType font that renders bracket-delimited text as QR codes while keeping surrounding text readable, using OpenType shaping and Reed-Solomon encoding.
Pattern Collider is an open-source web tool that generates and explores quasiperiodic tiling patterns, such as Penrose tilings, using the multigrid method. Users can create custom patterns with shareable URLs.