If you want to use free photo editing software to zap blemishes and wrinkles out of your portraits, PhotoDiva is a good option. The AI-powered software amplifies facial features, smooths skin and adds makeup effects. It's got intuitive sliders and one-click effects, so you can quickly get the look you want. PhotoDiva runs on Windows and iOS devices, so you can use it on whatever hardware you have.
Another option is Facetune, which has a lot more options for photo and video editing. A subscription is optional, but it's got a 7-day free trial so you can try it out. Facetune includes AI-powered image enhancement, photo editing with makeup and background removal, which can dramatically improve your portrait photos.
Photo Eraser is an online tool that lets you zap objects you don't want and smooth skin with a click. It'll handle multiple file formats and has a step-by-step editing process so you can follow along. It's available on any device with a browser, so you can edit photos anywhere.
If you want something more powerful, AILab Tools has a lot of options, including portrait retouching, background removal and changing facial expressions. It also has an API so you can embed it in other software. AILab Tools has a free tier with monthly credits, so it's a good option for photographers and others who want to use it on a modest number of photos.