OmniPreview extends macOS Quick Look with 29 renderer plugins, letting you preview source code, configs, archives, SQLite databases, certificates, GeoJSON and more directly in Finder. The free version covers everyday developer formats, while Pro adds syntax highlighting, rendered Markdown, AI/ML file inspection (GGUF, safetensors, NumPy) and an interactive 3D viewer. Native Swift, sandboxed, zero dependencies, optimized for Apple Silicon.
