Tip 356Add Your Signature to Docs

Preview is OS X’s general-purpose image and PDF viewer, but recent versions have brought substantial PDF annotating capacities similar to Adobe Acrobat (open a PDF file, and click ToolsAnnotate). OS X includes the ability to add your written signature to PDF files, provided your computer has an iSight/FaceTime HD camera or an attached webcam.

Putting a Signature on File

Here are the steps required to add your signature to Preview:

  1. Start by grabbing a white piece of paper and signing your name with a black pen, ideally one with a thicker rather than a thinner nib. Don’t use lined paper or paper with a margin—it must be entirely white. If possible, don’t underline your signature or add any other kind of flourish, ...

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