BlockPoster
Split any image into A4, Letter or A3 tiles and print a giant wall poster at home, free and with no signup.
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blockposters.netAbout BlockPoster
A block poster maker that slices one image into a grid from 2x2 up to 10x10 and exports a print-ready multi-page PDF with numbered page labels, overlap glue tabs and vector crop marks, backed by a live grid preview and PPI calculator. Files up to 50 MB in JPG, PNG or WebP are rendered entirely client-side and never uploaded. Supports A4, US Letter, A3 and Legal, turning a desktop printer into murals up to roughly 120 x 172 cm.
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