The DocHub editor lets you quickly Add png to PDF in Preview. It’s effortless to grasp and requires no previous experience with similar editing tools. Simply upload your file, and DocHub will take care of the rest, giving you things like:
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To sign a PDF document on a Mac using the Preview app, first open the PDF and click on the show marker toolbar icon. Then select the signature icon and create and save your signature using your trackpad, webcam, iPhone, or iPad. Use your finger to sign your name on the trackpad, or press more firmly on a force touch trackpad for a thicker stroke. Click done to save your signature.