Mac OS X: Insert signature in PDF

With your Mac OS X, you can insert your signature into a PDF file in just a few steps.

Create signature in preview

Before you can insert your signature in a PDF document, you must first digitize your signature.

1. Open the pre-installed Mac app "Preview".
2. Select the "Settings" sub-item by clicking on "Preview" in the program bar. Alternatively, you can get there with the [cmd] + comma key.
3. Select the "Signatures" tab. There you create a new signature with the plus symbol.
4. Sign on a piece of white paper and stick it to your Mac's iSight camera as described.

Insert signature in PDF

After digitizing your signature, you can now use it and insert it into PDF documents.

1. Open your PDF document in the "Preview" app.
2. Then select Tools> Annotate> Signature from the program bar.
3. There you will find the signature you have created, which you can insert with a click. You then have the option of placing the signature in the correct place and adjusting it to the size.