Halftone Maker is an online tool that allows users to create professional halftone and stippling effects from images. It offers a real-time preview, background removal, cropping, undo/redo functionality, snapshots, presets, and swatches. Users can choose between square, hexagonal, and radial grid styles. The tool supports batch processing and allows downloads in various formats. It also provides links to a changelog, pricing, terms of service, and privacy policy.