How To Resize Image In Mac Preview. Now go to tools adjust size as we did earlier. Choose percent from the pop up menu next to the width and height fields then enter the percentage in those fields.
Right click and choose open with preview. Resize the image by a percentage. 1 x research source this will open the image in.
If you want to crop out a part of the image to resize see cropping an image in preview.
Right click and choose open with preview. Choose percent from the pop up menu next to the width and height fields then enter the percentage in those fields. An alternative approach is to. Open the gif file in preview now open thumbnails in the sidebar.