https://rasterbator.org/blog/rasterbator-alternatives-compared/

The Rasterbator is a web-based, cult-favorite tool that enables users to create large-scale, customized posters by tiling images across multiple pages. It offers various halftone styles, processes images locally for privacy, and has been a popular, cost-effective decorating solution since 2004. For more details, visit Product Hunt. The Rasterbator: Wall art from any image – Product Hunt