PPFmaker is a free online tool that helps users create personalized avatar images. It offers a wide variety of templates and tools that allow users to create unique avatars easily. Users can upload their own photos, or use images and icons from the library provided by PPFmaker. PPFmaker also provides various editing tools, such as cropping, rotating, adjusting brightness and contrast, etc., allowing users to... - Source: dev.to / about 1 month ago

Profile Pic Maker, https://pfpmaker.com let’s you upload a profile photo and it will remove the background and let you pick a variety of backgrounds. Source: 11 months ago

Before you spend a bunch of money, I’d suggest taking some selfies or having a friend snap some pics and then uploading them to an app like this one: https://pfpmaker.com. Source: almost 2 years ago

3.PFPmaker PFPMaker generates professional profile pics from any photo. It uses background removal AI, beautifies your photo, and generates dozens of profile pic variations automatically. - Source: dev.to / over 2 years ago

I think you might get the same effect using https://pfpmaker.com/. Source: over 2 years ago

In an effort to restore them as much as I could, I used a combination of waifu2x ("Single-Image Super-Resolution for Anime-Style Art using Deep Convolutional Neural Networks"), Clip Studio Paint resize/cleanup tools, and manual cleanup done by hand. Unfortunately, the red text on the title page was a lost cause. If anyone can decipher solid red rectangles please contact me lol. Source: about 1 year ago

Maybe this would help. There's also an app version of it. Source: about 1 year ago

I would recommend putting it through an upscaler beforehand, it seems a bit small. Source: over 1 year ago

Http://waifu2x.udp.jp/index.html found this image upscaler from https://www.reddit.com/r/FireEmblemHeroes/comments/a51f0k/i_turned_yusuke_kozakis_artwork_into_a_high/?st=JPIZKYIB&sh=f12f76fe a while ago, perhaps that would be the closest if IS doesn't release anything. Source: over 1 year ago

You can make it bigger for print by using by using an Japanese AI image enlarging tool. Source: over 1 year ago