PDFelement - Edit, Annotate, Fill and Sign PDF Documents
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To know the difference between a normal PDF and a scanned PDF, you can import both format documents into PDFelement. The file would be a normal PDF if the content can be selected and edited. If the file is a scanned PDF, you will see the popup tip to tell you that the present file is a scanned PDF, and you can use OCR function to turn it into editable.