This guide offers several methods to eliminate watermarks from your Samsung Galaxy photos using both in-app settings and photo editing tools. Mobile editing apps like Snapseed or Adobe Photoshop ...

The watermark will be invisible, and SynthID will update the image metadata to indicate AI manipulation, whereas Samsung applies a visible watermark when an image is manipulated using Galaxy AI.

Mishaal Rahman / Android Authority When editing an image on the Galaxy S25 using one of Samsung’s AI tools, a message appears stating that “a watermark and content credentials are added to the ...

but images edited with Samsung's AI tools will also display a visible "AI-generated content" watermark, unlike what's happening with Google. You can read more about SynthID here.