We need to output this to JPEG format 400 pixels wide. Let’s say we have content that we’ve created that is 176 pixels wide. In other words, if you create artwork that is 200 × 150 pixels, and export it at 72 pixels per inch, the final pixel dimensions of the PNG or JPEG you export will be 200 × 150 pixels.īut what if you’ve already created the artwork, and need to export to a different size, or perhaps export the same artwork in multiple sizes? This requires some simple math, and I’ll even show you how to make InDesign do the calculations for you!Īll you do is divide the desired output width or height by the existing width or height, and multiply the result by 72. The best way is to create your artwork to the exact pixel dimensions in InDesign (using either pixel or points measurement units), and then export the artwork at a resolution of 72 pixels per inch. There are two ways to do this directly from InDesign. For example, you may need to create a 512 pixel × 512 pixel PNG icon for an iPad app, or a JPEG banner ad that is 250 pixels wide, or an image for your web content management system that is no wider than 400 pixels. In these cases, you usually want to output your selected objects to a certain pixel dimension. But exporting to JPEG or PNG directly from InDesign can be really useful for creating web content such as banner ads, icons, splash pages, or other elements needed for projects that will end up on screens. Thinking in terms of pixels per inch is useful for creating an image that will be printed. Exporting to JPEG or PNG from InDesign allows you to specify only the resolution of the exported image, not the pixel dimensions.
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