: For high-quality prints viewed up close, a resolution of 300 DPI (dots per inch) is the standard guideline [39].
For further guidance on creating or optimizing image files for specific uses like publishing, the IngramSpark File Creation Guide offers detailed specifications for professional layouts [36]. _ing (24).jpg
: Setting a JPEG to "100" quality still involves a compression ratio of about 2.6:1, whereas lower settings like "20" significantly reduce file size at the cost of visible artifacts [38]. : For high-quality prints viewed up close, a