ಈ ನಿಯಂತ್ರಣವನ್ನು ಮಾರ್ಪಡಿಸುವುದರಿಂದ ಈ ಪುಟವು ಸ್ವಯಂಚಾಲಿತವಾಗಿ ಅಪ್ಡೇಟ್ ಆಗುತ್ತದೆ
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 colours. For example, you can convert a colour document to black and white, or apply a sepia tone.
Go to the Preview app
on your Mac.Open the PDF you want to change.
Choose File > Export, click the Quartz Filter pop-up menu, then choose a filter.