Resolution for Printing
Resolution is the measurement of dpi (dots per inch) when we print images. On the screens, the resolution measurement is ppi (pixels per inch). The image resolution is an important element for printing.
High Resolution and Low Resolution
High resolution is 300 dpi and low resolution is less than 150 dpi. Medium resolution is around 200 dpi.
Best Resolution for Printing Photos
We recommend the resolution for printing is 300dpi. If you print super high-quality images, we recommend the image resolution for printing is 350dpi.
What are Considered High Resolution Photos
Photos taken from professional camera
Images made by a professional software like Photoshop.
Vector graphics drawn by a software like Illustrator.
What are Low Resolution Photos
Images saved from website are low resolution. It can’t be used for printing good quality printing products. The image downloaded from website is around 72 dpi. After printing, it will have mosaic on the photo.
The photos taken by cell phone are medium resolution. If you want to print high-quality images, we don’t suggest you take photos by cell phone.
How You Know the Photos Are High Resolution
Using Photoshop to open the photo and look for ″Image Size″ under Image Menu. It shows the photo length, width and resolution. That date is the photo resolution. Please check the following image.
Photo Format Effects Printing Quality
1, We suggest you use Adobe’s software to edit and design the artwork. For example, InDesign and Illustrator. We don’t suggest you use office software to do the artwork. Using office software to embed the photos, the photos will be shrunk to be 150dpi. After printing, the photo quality will be not good.
2, We also suggest you use CMYK format images to edit the printing files. If your photos are RGB format, you need to change RGB format images to be CMYK format images firstly, and then you edit the images in your artwork. Otherwise, photos’ color will not be same with it’s original color. For example, if you use the following logo with RGB format to edit the printing file, after editing, the logo will be C73M15Y12K0. If you use CMYK format image to edit the printing file, the logo color is C80M0Y10K0. The logo’s real color is C80M0Y10K0. So, CMYK format photos are better quality and it is closed to the real colors.