Just click on the signature symbol to automatically open the signature tool and select whether you want to add a signature via Trackpad or iSight. One other neat feature is the ability to add your signature to a document or image using your Trackpad or via your Mac’s iSight camera. The smart lasso for example can automatically detect borders in images as you guide it around thus allowing you to isolate or edit specific objects. The range of tools available in Preview is pretty good including a rectangular, elliptical, lasso and smart lasso selector that allow you to cut out objects or items in images. When you click on the Markup Toolbar icon, you’ll see the available tools in a toolbar that appears across the top of the interface. When Preview is open, simply click on the Markup Toolbar icon at the top of the interface. We advise making duplicate of your image first by going to File > Duplicate before editing as Preview doesn’t add layers – it edits the image directly and any edits can’t be undone after Saving. Open an image in Preview by going to File > Open. To access it, either click on Preview in your Dock or search for “Preview” in Spotlight on your Mac.

The great thing about Preview is that it is included for free in macOS so there’s no need to download anything.Īlthough Preview is often used to edit PDFs on a Mac, many Mac users don’t realize is that it also has a basic drawing tool which is similar to MS Paint.

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