Če spremeniš ta kontrolnik, bo ta stran samodejno posodobljena
![](https://help.apple.com/assets/61A97DE784B5B95531649258/61A97DF184B5B95531649260/en_US/530c85a3f10678e47ca4a56f0a580b22.png)
Add effects to a PDF in Preview on Mac
You can modify a PDF opened in Preview using Quartz filters that add effects or change colors. For example, you can convert a color document to black and white, or apply a sepia tone.
In the Preview app
on your Mac, open a PDF you want to change.
Choose File > Export, click the Quartz Filter pop-up menu, then choose a filter.