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Generative Fill uses AI to add, expand, or remove content from your images based on text prompts.
Open your image by selecting File > Open.
Select the area you want to transform using a selection tool.
Best practiceFor expanding the canvas, use the Crop Tool to extend the image boundaries first.
Click the Generative Fill button in the Contextual Task Bar.
NoteYou can also access it from Edit > Generative Fill, or Select > All then Edit > Generative Fill.
Type a prompt describing the object or scene you want to generate in the text-entry field.
NoteYou can leave the prompt field empty to have Photoshop generate content based on the surrounding image.
Click Generate.
Review the generated variations in the Properties panel.
Select your preferred variation from the options.
Save your image by selecting File > Save As or File > Save a Copy.
Generative Fill creates new content on a separate generative layer, allowing non-destructive edits.
Generative Fill functionality is integrated within Photoshop and is not directly exposed as a standalone API for external automation.
Select the area you want to extend using the marquee tool. Then, use Content-Aware Fill or the Clone Stamp to add pixels, ensuring the extension matches the original background. This helps create a smooth look when the camera moves.
You typically expand the matte after completing the initial compositing and before final adjustments. For example, a VFX artist working on a landscape might extend the sky after placing the background to ensure it reveals smoothly during camera movement.
Use the Clone Stamp or Healing Brush to carefully paint new pixels that match the original background. Pay attention to lighting and textures, especially if the background has complex details. This avoids obvious seams or mismatched areas.
A frequent error is not blending the edges well, which makes the extension look like a cutout. Always check the transition areas and use feathering or blending tools to make the extension smooth and invisible.
A compositing artist or visual effects artist often performs matte expansion when they need to extend backgrounds to match camera moves or create more space in a scene for visual effects.
AI can generate background extensions quickly, especially for simple textures like sky or water. However, complex backgrounds or detailed textures still need manual touch-ups from a compositor to ensure realism and smooth blending.
Yes, it’s similar to replacing a sky or background but focuses on extending existing areas rather than swapping them entirely. Artists often do matte expansion when they need to reveal more of the background during a move, which can be a step before replacing a dull or overcast sky.