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===Editing images=== Preview offers basic [[Image editing|image correction]] tools using [[Core Image]] processing technology implemented in macOS, and other features like shape extraction, color extraction, cropping, and rotation tools. When annotating images, Preview uses vector shapes and text until the image is rasterized to JPEG, PNG or another bitmap format. [[PDF]] and image documents can also be supplied with keywords, and are then automatically indexed using macOS's system-wide [[Spotlight (software)|Spotlight]] search engine.
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