Which file formats are accepted in the Mockup Generator? Subliminator May 15, 2018 13:44 Updated Follow Please submit your files in .JPG format in at least 150 DPI. Related articles Are there any color restrictions on my design files? What image size should I use? What DPI should I use? I do not have Photoshop, what can I do? Customer received the wrong size? Comments 0 comments Article is closed for comments.