Scanned documents are commonly found as email attachments and unfortunately often get pulled through a scanner at an angle. This occurs when a stack of documents or plan sets are fed through a desktop scanner. Here’s how to correct the skew in Bluebeam Revu.
Using your keyboard, Press Ctrl+Alt+D.
Your cursor will change to crossbars.
Click and drag a line that should be horizontal in the PDF. (Alternatively, you can also click two points.)
The Page Setup dialog will appear,
showing a preview of the adjusted PDF. Click OK to complete the align/de-skew operation.
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