oh that is so mean. They let you upload first, then they ask you to sign up to see it. There goes one more fake email in their database.
sorry, fwiw I would not have posted it if they required you to click on a verify link in the email.
You could sign up to Firefox Relay (Beta) for such a scenario in the future.
This is by far the best online image colorization I’ve used; it was offered free back in the early days of the quarantine and I was impressed by the speed and quality. It’s not professional photoshopper quality, but a beginner can easily tweak the finished product into skilled amateur quality.