The best artwork file depends on the design. Logos, type and simple shapes often benefit from vector artwork, while detailed illustrations and photographs may begin as high-resolution raster files.
A transparent PNG can be useful for artwork with a defined print area. Check its resolution and make sure the background is genuinely transparent rather than a white rectangle.
A print-ready PDF can hold vector shapes, type and placed images. The file still needs to be prepared correctly, so a PDF extension alone does not guarantee a production-ready file.
Vector files can be useful for logos and artwork that needs to scale. Keep a copy of the editable source file and export a version suitable for the printer’s workflow.
A layered PSD can help when the artwork contains editable elements. A JPG may be suitable for some images, but small screenshots and social-media downloads are often too limited for a clean print.
Send the best version you have rather than trying to hide the problem. Print File Fix can assess low-resolution, AI-generated or rough artwork before the print brief moves forward.
Next step: Use the Artwork Help options if the file needs a practical review.