Photoshop's Generative Fill creates impressive AI extensions, but the results often look blurry and pixelated when viewed at full size. This quality limitation makes many AI-generated areas unusable for printing or large displays.
This technique shows how to work around the 1024x1024 pixel quality limit to create much sharper, more professional-looking generative fill results.
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Video by Brendan Williams. Any links or downloads mentioned by the creator are available only on YouTube
Essential Tips for Better Generative Fill Quality
- Keep selections under 1024x1024 pixels — Generative Fill maintains maximum quality only within this dimension limit, so larger selections automatically reduce image sharpness.
- Extend canvas size strategically — Add 1000-1010 pixels to your canvas using Image > Canvas Size with "Relative" checked to create the perfect working space for high-quality fills.
- Use the Rectangular Marquee tool with fixed dimensions — Set the style to "Fixed Size" at 1024x1024 pixels to ensure every selection stays within the quality threshold.
- Always include pixel overlap — Make sure each new selection overlaps existing image areas by 10-20 pixels so Generative Fill has reference material to work from.
- Work in sections for large extensions — Break complex fills into multiple 1024-pixel selections rather than trying to fill everything at once, even if it requires more time and planning.
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