There's nothing automated that produces reliably good results with a variety of content currently. I've tried https://bigjpg.com https://bigjpg.com https://img

There's nothing automated that produces reliably good results with a variety of content currently. I've tried https://bigjpg.com https://bigjpg.com https://imglarger.com https://imglarger.com https://vanceai.com/image-enlarger/ https://vanceai.com/image-enlarger/ https://www.upscale.media https://www.upscale.media https://photoaid.com/en/tools/ai-image-enlarger https://photoaid.com/en/tools/ai-image-enlarger https://waifu2x.org https://waifu2x.org <- specifically for animated stuff Given the similarity of the results of some of these, I'd guess they're using the same model with some input parameter tweaks. Waifu2x is probably the closest to "reliable" if you're looking to enlarge some sort of animated content.