Show HN: I made a Gemma 4 Mac app that names screenshots with local AI

A developer released SnapName, a Mac app that uses a local AI model to automatically rename screenshots with descriptive filenames. The app watches a designated folder and generates three AI name suggestions for each new image, with an optional auto-save feature for hands-free operation. By bundling Google's Gemma 4 model and llama.cpp directly into the app, SnapName processes all screenshot content locally on the user's Mac, ensuring no image data is sent to external servers.

Watch your screenshot folder Automatic mode follows the macOS screenshot location and imports macOS-marked screenshots. Local AI screenshot naming for macOS Keep your screenshot app. SnapName watches the folder. New images get useful names locally. Apple Silicon Mac. macOS 13 or later. CPU and GPU support. Workflow SnapName watches your screenshot folder and lets you review and choose from three AI name suggestions. Or just choose auto-save to automatically go with the first AI suggestion without having to do anything. Automatic mode follows the macOS screenshot location and imports macOS-marked screenshots. Custom mode watches a folder you choose and imports every new readable image. Approve a suggested name yourself, or turn on auto-save for watched-folder files. Flexible imports SnapName does not need to replace your capture workflow. It can rename screenshots created by macOS, CleanShot, Shottr, or any other tool that saves images into a folder you watch. PNG, JPEG, HEIC, TIFF, and AVIF files are supported when macOS can decode them. SnapName's own menu and hotkey capture features are still there when you want them. Privacy by design SnapName bundles llama.cpp and Google Gemma 4 model files inside the app, so screenshot content is analyzed locally on your Mac. Your images are never sent to an external AI model for naming, providing you with total privacy over your screenshots.