Using the Levels Command - Photoshop

Need to lighten or darken a photo/image? Using the the Levels command is a simple way to adjust the image Input Levels.  Not a expert, no worries you don't have to fully understand how the Levels command works to obtain a good looking results.

1.  Open an image in Photoshop, press Command + L (Mac), Ctrl + L (Windows).

2.  From the Levels dialog box, drag the white Input Levels slider toward the left to lighten the image, drag the black Input Levels slider toward the left and click OK.

With slightly different results, use the Output Levels.  Drag the black Output Levels slider toward the right to lighten the image.  Drag the white Output Levels slider toward the left to darken the image. 

Try it out, have fun and see how easy it is to use the Levels command in Photoshop. I am sure that you will be pleased with the outcome.