For example, a Quartz filter can be used to convert a color PDF document to a beautiful black and white version, or apply a sepia tone.Īside from changing colors, the Quartz filters let you add other effects to documents and images, create a bespoke compression filter for reducing file size when exporting images, etc. That’s the magic of the Quartz filters built into macOS. It’s also a great PDF viewer with full support for macOS’s built-in Markup annotation features, but did you know that you can easily add effects to any PDF document opened in Preview? Preview on Mac is a versatile little app with some pretty compelling editing features.
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