Let's Enhance is an AI tool that upscales images to high resolution but also works on blurry or low-resolution images. It's got batch editing, HDR filters and background removal, so it's good for creative pros and business customers. The service is easy to use and powerful, with a credit-based pricing system.
Another powerful option is Topaz Labs, which makes a suite of pro-grade photo and video editing software. Its Gigapixel 7 tool can make images 600% the original size with advanced AI models, and it can handle batch jobs. It's good for pros who need high-end image processing with speed and the ability to run it locally.