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Using this, you don't have to click on the menu on top each time you need an annotation tool. Shift & CMD + A: Use this shortcut to bring up the annotations toolbar.This way you can repeat the same adjustment over and over again very easily. Shift & CMD + Z: Use this shortcut to redo the effect or adjustment you have done previously. It is pretty useful, especially when you open a folder full of images with Preview. Shift & CMD + F: Use this shortcut to activate the slideshow mode.CMD+ T: Use this shortcut to show fonts so that you can choose your favorite font.It helps you get away with the difficulty of having to scroll the PDF pages down to the last page. CMD + D: Use this shortcut to add bookmarks to your document so that you can come back to them later.This makes applying adjustments to documents very much easier. Alt (options key) & CMD + C: Use this shortcut to adjust color.Alt (options key) & CMD+ 0: Use this shortcut to zoom all opened images to actual size.It can be pretty useful when it comes to focusing on reading rather than editing. CMD+ B: Use this shortcut to hide the toolbar.This helps you set the required parameters for adjustments in relation to the actual size of the document. CMD+ R: Use this shortcut again to view the document in actual size.Alt (options key) & CMD+ B: Use this shortcut to show the image background.Alt (options key) & CMD+ T: Use this shortcut to open up special characters panel.It is pretty useful when you keep making mistakes and need more editing. CMD+ Z: Use this shortcut to undo changes to the document or image you are working on.Use this shortcut to go to the next page of the document you are viewing inside of Preview. Option–Down Arrow: This shortcut works on the El Capitan version of Preview.What’s wrong with that? In the following line, you are going to be familiar with some of the most practical yet lesser known or used shortcuts in Preview. Why should I learn shortcuts? Well, there are always some ways to do the simplest types of tasks faster.
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If you are new to Mac the first time that you open something with Preview, you might think that there's not much to learn. Preview is the default viewer of PDFs and digital formats on Mac OS.
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