To turn your photo or artwork into a poster, just head over to the Canva homepage and click the upload icon on the upper right-hand side of the page. Just make sure that your images have at least 96 DPI in order to get clear, high-quality prints! Once the upload is finished, click Use in a design and choose the Poster format of your choice. You can now customize your new design with icons, illustrations, text, and more, and finally proceed to printing your poster!