In the Layers panel, select the layer that contains the photo that you want to improve.ģ. I’m going to brighten it while keeping a good contrast.Ģ. I like the moodiness of the image but it’s a little dark and could do with some help. The image I’m using is a photograph I took in Co. Using adjustment layers in Photoshop means we can come back at any time and re-edit the changes we’ve made.ġ. We’re going to use a Levels adjustment layer to edit contrast and brightness. If you need it, you can download a free Photoshop trial from Adobe. That’s exactly what we can adjust using the Levels Adjustment Layer. The tonal range of an image is the range of pixels from the darkest (black pixels) to the lightest (white pixels). In Photoshop, this is one of the quickest and easiest ways to improve a dull or wishy-washy photo that’s lacking contrast. With this adjustment we can improve contrast and brightness. We can dramatically enhance a photograph using the Levels Adjustment Layer in Photoshop.