How to Sign Digital Documents With Preview App (OS X)

Go back to the document and click anywhere. You can move, adjust and resize the Signature to fit into the signature space properly.

Note: For OS X Yosemite users, you can skip ahead to find out how to attach your signature by signing directly on the trackpad.

To begin with, you need a piece of clear white paper and a marker. Sign the paper with your best John Hancock. Then, open the Preview app and navigate to Tools > Annotate > Signature > Create Signature from FaceTime HD (Built-in).

1. Capturing Your Signature

Preview is an OS X built-in app with a handy feature that lets you attach your signature to a PDF document. The feature has been there since OS X Lion and has been improving through each OS X release. Here’s how you can capture your signature digitally with the Preview app.

For freelancers who work remotely, having to sign a document in person can be a problem. Instead of turning up at the office or meeting with the client, usually, the document is sent to us, we print it out, sign it then rescan it with that scanner we have lying around. Don’t have a scanner? Well, you can use the native Preview app instead.

Hold the signed paper in front of the camera. Make sure that the paper receives enough lighting for a nice capture. Keep the signature just above the blue line (see below).

Open that important PDF document that requires your signature in the Preview app. Next, click the Pen icon to open your Editing Toolbar. This toolbar contains tools for adding annotation, shapes, and also your Signature.

Wait a few seconds for the Preview app to trace the signature and capture it. Check out the preview and click Accept if you want to save this signature. Don’t like what you accepted? Just follow the steps again for a retake.

2. Attaching Your Signature

And there you have it. Your signature has now been added to the document. You can now email it or send it back to the receiver for their action.

Click the “Sig” icon and select the signature to input.

The Signature Capture dialog window will pop up, and your Mac’s built-in camera should automatically be turned on.

Done? Let’s check out how you can use this to sign a document.

DocuSign, HelloSign, or SignNow instead.

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