Question: I need a tool that can improve portrait photos with realistic lighting, even if I don't have advanced editing skills, can you recommend one?

If you want a tool to give your portrait photos more realistic lighting, SwitchLight is a good option. This AI-powered tool lets you copy lighting conditions from one photo and apply them to your portraits. It's geared for photographers and graphic designers who want to deliver pro-level results without having to learn advanced editing techniques. It's got a variety of tools, including Copy Light, HDRI Relight and PBR Material Acquisition tools, so it's a good general-purpose option. SwitchLight offers a free plan and a Pro plan that costs $12.99 per month.

Another option is Remini, an AI-powered photo enhancement system that can convert low-resolution shots into high-resolution images. It can also enhance faces, color, noise and background detail. Remini is good for fixing common photo problems like blur, camera shake and focus errors. It also can upscale photos and videos up to 2x without losing quality, which is useful for social media and professional projects.

If you're looking for a quick and cheap option, Pixble is worth a look. It can dramatically improve image quality with one-click fixes to lighting, color and tone. It's geared for marketing, e-commerce, real estate and other creative professionals who want to deliver pro-level results without the hassle of editing. Pixble offers a variety of pricing plans and can be integrated automatically with an API, so it's a good option if you want to quickly enhance photos on the go.