Best free upscaler AI tools

A free, web-based AI tool for upscaling images up to 16K resolution without sign-ups or watermarks. It uses advanced AI to enhance details and preserve quality, offering a simple upload-process-download workflow. It also provides background removal and text-to-speech services. The platform is privacy-focused, deleting images after 30 minutes, and offers a fair pay-as-you-go model for extended use beyond the daily free quota.