The DocHub editor lets you easily Remove password protection from PDF in on Mac in Preview. It’s easy to understand and requires no previous experience with similar editing tools. Simply upload your file, and DocHub will take care of everything else, providing you with things like:
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If you're trying to edit a PDF but need a password to do so, there is a way around this problem. Open the PDF with the Preview program instead of Acrobat, then simply save the file to edit it without any password requirements. It's a quick and easy solution to bypass the password restriction.