AI Image Generators

Each generator leaves its own residue. These pages show what a given model writes into a file, and a full before/after on a real render.

• Removing the generation signature from Stable Diffusion output
  Stable Diffusion writes its generation parameters into the PNG and leaves a periodic upsampling residue. Here is what both look like, and what a pass changes.
• Nano Banana watermark: what it is and what PassReal removes
  Nano Banana images carry two marks: a C2PA manifest in the file and SynthID in the pixels. One is removable, the other is not. Here is which is which.
• Gemini AI watermark: what it is and what PassReal removes
  Gemini images carry a C2PA manifest in the file and SynthID in the pixels. The first comes off completely, the second does not. Here is how to tell them apart.
• Meta AI watermark and the AI Info label: what triggers what
  Meta AI images carry an invisible mark plus IPTC provenance fields, and that metadata is what triggers the AI Info label on Instagram and Facebook.
• Veo watermark: the visible mark, SynthID, and what PassReal covers
  Veo output carries a visible corner mark on video plus SynthID in the frames. PassReal processes still images, not video - here is what that means for you.

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