To make the scanned PDF smaller, you need to adjust the scanning parameters with a lower DPI. This is just the reason why a scanned PDF is so big in size. Most of the scanners scan files at 300 DPI, while the recommended web-friendly image should be at a DPI of 72. ![]() And as we know, the scanned files are multi-pages images with a relatively higher DPI. There are different reasons leading to a large PDF, but generally speaking, they can be summarized as following 3 types. ![]() ![]() However, due to its versatility in containing all kinds of elements in the file, a PDF can be too large, then how to email a large PDF? Here you will find the reasons why your PDF is too large and how to email a large PDF without sacrificing the original file quality. PDF has worked as a the standard format for such a long time, whenever we need to save or share a file, we prefer to make it in PDF, especially when emailing a file.
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