BlockPoster.ai is a web-based tool that turns any image into a large wall poster by splitting it across multiple standard sheets of paper. Upload a photo (JPG, PNG, WebP, or PDF) or generate original artwork with AI, then crop, resize, and preview the layout in a live studio. The tool supports five paper sizes (A4, US Letter, A3, Legal, Tabloid) in portrait or landscape, with adjustable margins, overlap, and fit/fill options. A free basic PDF export is available without an account, capped at 150 DPI and 5 sheets across, with a small watermark. Paid plans unlock HD, watermark-free PDFs up to 300 DPI, batch processing, and AI credits for image generation. Photos are processed locally in the browser for privacy, and the PDF includes assembly guides and page numbers. Ideal for educators, DIY makers, home decorators, and event planners who want to create large displays using an ordinary home printer.
BlockPoster.ai
Free block poster maker that splits photos or AI art into printable sheets for home printers, with HD and AI options.
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