AssetClean · Use cases · 아웃페인트
Expand image for Instagram and YouTube
AssetClean AI expands an image’s canvas so creators can fit Instagram Reels, Shorts, and YouTube thumbnails without cutting the subject. Use Expand Image AI (outpaint) to add edges or zoom out, then download a PNG at the new aspect.
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Who this is for
This guide is for social managers and creators who need a different aspect ratio from a still that was shot or generated in another frame.
- Creators turning 1:1 or 4:5 stills into 9:16 Reels and Shorts
- YouTube editors extending scenes for 16:9 thumbnails
- Marketers avoiding hard crops that clip logos or faces
How it works
Open Expand Image AI and upload the still you want to reframe.
Pick sides to expand, or zoom out. Optional prompt can guide the filled scene.
Download the PNG and crop or export for Instagram, Shorts, or YouTube.
FAQ
Can I expand an image for Instagram Reels or YouTube thumbnails?
Yes. AssetClean AI’s Expand Image AI (outpaint) extends the canvas on chosen sides or zooms out and fills the edges so you can target 9:16 or 16:9 layouts.
Does expanding change billing size?
Expanding grows the canvas; zoom-out keeps canvas size. Price uses output megapixels — check the on-page USD estimate before you run.
Should I use a prompt?
Optional. A short prompt can steer the filled edges (e.g. “soft studio backdrop”). Leave it blank when you want a neutral continuation of the scene.
Will the subject stay centered?
Outpaint adds pixels around the existing frame; it does not auto-recompose. Choose horizontal, vertical, or all sides based on the ratio you need.