If you're looking for a Slazzer alternative, Pixlr is a full featured online photo editing and design package that includes a dedicated tool for removing backgrounds with AI. Pixlr also includes a batch editor, AI generative tools, and other useful features like face swap and super sharpening. It works on the web, desktop and mobile devices, and offers a 7-day free trial. Pricing starts at $1.99 per month.
Another option is Clipdrop, which offers a variety of AI-based image editing options, including background removal, image upscaling and text-to-image generation. It's designed to be easy to use, but is also useful for pros. Clipdrop offers a free version with low-resolution images and a Pro version for higher-resolution images, and you can try it out with a free trial.
If you want a more automated background removal tool, PhotoScissors uses deep neural networks to select subjects. It also can replace backgrounds, create collages and handle hair and transparent objects. The tool is available as an API for developers, works online or offline, and can handle common graphics formats.
Last, Photoroom offers a range of AI-based photo editing tools, including background removal, realistic background generation and bulk image resizing. It's geared for professional use in areas like beauty and e-commerce, and works on the web and mobile devices. It offers a free version with some basic tools and a Pro plan with more advanced abilities.