How to Use Preview: The Macs Secret Image Editor GASREGULAR Menu Lifewire Tech for Humans Newsletter! Search Close GO Best Products > Software How to Use Preview on the Mac: Apples Secret Image Editor By Jonny Evans Jonny Evans Writer Johnny Evans is a former Lifewire writer who specializes in iPhones, iOS, and Apple TV and blogs daily about it at other publications.Lifewire's editorial guidelines Updated on NovemReviewed by Jessica Kormos Reviewed byJessica Kormos Saint Mary-of-the-Woods College Jessica Kormos is a writer and editor with 15 years' experience writing articles, copy, and UX content for Tecca.Com, Rosenfeld Media, and many others.Lifewire's editorial guidelines Tweet Share Email Tweet Share Email In This Article Expand Jump to a Section What Is Preview Supported Image Formats What Are the Different Tools? What Are the Different Markup Tools? Resize an Image Crop an Image Create a File from Clipboard Remove Background Items From Images Combine Two Images Go Back in Time Select an Irregular Object What Is Invert Selection Convert a Color Image to Black and White Get to Know the Adjust Color Tool Add a Speech Bubble Export an Image in Different File Formats Batch Convert Images You may only have used it to open PDFs and look at images, but Apple's Preview app is capable of so much more, in fact, it is a useful tool for many common image editing and export tasks. With the majority of colour backgrounds, you'll require to drag till the Tolerance is at or slightly above 20%.How to Use Preview The Mac s Secret Image Editor You can see how many similar colours the Smart Erase tool would remove on the Tolerance label. Move the cursor over the place you want to eliminate, then drag while holding down the mouse button. When this option is disabled, all of the edge pixels are entirely erased, giving the image a little more precise but jagged appearance. Smooth EdgesĮlides the boundaries of regions that have been removed naturally. When this selection is chosen, whereas only the chosen layer is erased, the Smart Erase tool considers each layer in your picture. Lower settings only partly transparentize certain sections. Portions are entirely removed at 100 per cent. Keep this selected.Ĭhanges the Smart Erase tool's transparency. In other photographs, the item will mix in more organically if Smooth Edges is enabled, which smooths the edges of the removed portions. It doesn't matter if the choice is on or off in this situation, so you'll probably leave it off. By selecting Sample All Layers, you can force the Smart Erase tool to consider each layer in your design. You can alter the tool's transparency using the Opacity slider. Opacity, Sample All Layers, and Smooth Edges are the three choices available with the Smart Erase tool.
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