Turn any picture into a wall-size poster. Pick the paper, choose how many sheets, and get a print-ready PDF with overlap margins and crop marks.
Click to upload or drag & drop an image here
PNG, JPG, GIF, WEBP — up to 50MB
Upload the image, choose A4 and how many sheets you want, then download the PDF and print it at 100% scale. Each page carries crop marks and an overlap strip so the sheets line up when you tape them together.
Switch to "By finished size", type 1000 mm, and the tool works out the rows and columns for you — usually around 18 A4 sheets for a 1 m wide landscape image.
Almost always because the printer was set to "Fit to page". Choose "Actual size" or 100% instead. Also keep the overlap at 10 mm or more so you have something to trim and glue.
Yes. It runs in the browser, so any device with a modern browser works. The PDF opens in Preview, Adobe Reader or your phone's print dialog.
Yes — A5, A4, A3, A2, Letter, Legal and Tabloid are all supported, in portrait or landscape.
Images up to 50 MB and layouts up to 400 pages. For very large posters use 150 DPI to keep the PDF small.