2 min read
How to Use Levels in Apple Photos on Mac
Learn how to automatically or manually adjust luminance and color levels using the histogram in Apple Photos on Mac, and how to undo changes.
In Apple Photos on Mac, you can modify the levels of a photo or video by manually dragging histogram handles or by applying an automatic correction Apple Support.
Accessing the Levels tool for photos and videos
Double-click a photo or video, then click Edit in the toolbar Apple Support. Next, click Adjust in the toolbar, then click Levels Apple Support.
Making automatic and manual level adjustments
To automatically correct levels, click the pop-up menu below Levels, choose Luminance, RGB, or the color you want to change, then click Auto Apple Support.
To manually adjust levels, drag the handles of the histogram to make the adjustments you want Apple Support. You can Option-drag a handle to move both the top and bottom handles together Apple Support. As a practical suggestion, consider experimenting with different handle positions to observe the changes before finishing your edits.
Adjusting the color cast of specific colors
To change the color cast of a specific color, click the pop-up menu below Levels, then choose the color you want to change Apple Support. Drag the handles to adjust the brightness or darkness of that color in the image Apple Support.
Comparing adjustments and reverting to the original
To temporarily see the original image, click and hold the Compare button in the toolbar or press and hold the M key Apple Support. As a practical suggestion, viewing the unedited file frequently can help you evaluate your ongoing adjustments.
To undo all your changes and restore the original image, select the photo or video, then choose Image > Revert to Original, or click Revert to Original in the editing toolbar Apple Support.
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