tilburger

i have try a lot in paint to get my image a DPI off 300 but i can not found how to. its for the printing office that need a resolutie off 300 DPI. its a PNG file a dimensions on 645 X 171 and it's 172KB i get now the information This image has low resolution. This can result in a low print quality. We advise you to change the resolution to 300 DPI to increase your file and upload again.