If you have jagged edges in your photos, there are a few things you can do to smooth them out in Photoshop. Here’s how:

  1. Start by selecting the entire photo with the Selection tool (A).
  2. Click on the Edit menu and select Smoothing Options.
  3. In the Smoothing Options dialog box, click on the Edge Detection button and then set the threshold to 100%.
  4. Click OK to apply the smoothing filter and then save your photo. ..