New answers tagged ppi
I don't know if you can change pixel to inch in Adobe Illustrator, but when I need to convert pixels to inches in Photoshop I'm using this web tool to convert inches to pixels, then create a new file with the obtained dimensions.
Short Answer File > Export for Web > Image Size Change the dimension you want in pixels and your document will be exported properly. Details Regardless of the document resolution you chose at the creation time, the export to JPEG or PNG depends on your export settings. When exporting JPEG from illustrator, a Dialog box opens that offers to export ...
DPI used for Print PPI used for anything on screen for things such as games or online banners ETC.
DPI is completely irrelevant. What matters is the number of pixels. A non-retina iPhone, for instance, is 320 pixels across. A retina iPhone is 640. (The iPhone 6's retina is 750 pixels wide). What makes a device 'retina' is that it uses more than one physical pixel to create a virtual pixel. An non-retina iPhone and an iPhone 5 are both 320 virtual ...
Generally speaking retina screens are 144 ppi (72x2) But it's nearly not as simple, here's a great guide that will tell you everything you need to know abut retina and dpi in general!
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