Click the down arrow next to Levels, then click Auto to have the Photos app balance the brightness levels in your image.I’ve dragged the curve upwards with the cursor, resulting in more prominent red tones in the photo. Here’s an example of using the curves tool manually to adjust Red levels.Alternately, click Red, Green, or Blue from the drop-down menu, then click and bend the curve with your cursor to adjust each color level.Click the arrow next to Curves, then click Auto, and the Photos app will automatically balance the red, green, and blue in your photo.You can either choose the Auto option or click the arrow and adjust manually. The White Balance editing tool works the same way as Red-Eye and Retouch.Or, click the arrow next to Red-Eye to reveal a paintbrush and size slider that will allow you to drag over and eliminate the red-eye effect.Click Auto next to Red-Eye to allow the Photos app to automatically reduce or eliminate the red-eye effect in your picture.Click and drag the cursor from an area you’d like to copy to areas you’d like to remove, such as a blemish. Click the arrow next to Retouch, then click the paintbrush icon and drag the slider bar to make the circle slightly larger than the area you want to retouch.A checkmark will appear when you’ve tapped Auto or chosen a filter. Click Auto next to one of these options, and the Photos app will automatically adjust the setting.Click the small arrows next to Light, Color, or Black & White to reveal filter options. You’ll see multiple options on the right.

Open the photo you’d like to edit, and click Edit.

Editing photos on mac for iphone