AI画像拡張ツール
画像の境界を超えて拡張。写真をアップロードし、アスペクト比を選択するだけで、AIが自然に画像を拡張します。
Sample preview — upload your image to expand it
See It in Action
Real examples of AI image expansion — original on the left, expanded on the right.
Before
AfterAI Expand Image Tool
Extend images beyond their borders with AI. Upload a photo, choose a target aspect ratio, and let AI expand the image naturally without cutting off the main subject.
01
Upload Your Image
Choose the photo, product image, portrait, or design asset you want to expand.
02
Select an Aspect Ratio
Pick a format such as square, portrait, landscape, vertical video cover, or website banner.
03
Let AI Extend the Image
The AI analyzes your original image and generates new surrounding content that matches the lighting, perspective, colors, and style.
What Can You Do with AI Expand Image?
Resize images without losing important details. Perfect for creators, marketers, ecommerce sellers, and designers.
Expand to Any Aspect Ratio
Convert your image to popular formats such as 1:1, 4:5, 16:9, 9:16. Create social posts, story covers, thumbnails, banners, and ads from a single source image.
Preserve the Original Subject
Keep the main subject, product, person, or visual focus unchanged while AI fills the surrounding space in a natural and realistic way.
Create Space for Text and Design
Need room for headlines, logos, or ad copy? Extend the background and create clean negative space for better composition.
Turn Portraits into Landscape
Transform vertical photos into horizontal banners without awkward stretching or cutting off faces, bodies, or products.
Make Product Photos More Flexible
Expand ecommerce and product images for marketplace listings, paid ads, landing pages, and promotional graphics.
Generate Platform-Ready Visuals
Quickly adapt one image for Instagram, TikTok, YouTube, Facebook, Pinterest, websites, and advertising campaigns.
AI Expand Image FAQ
Common questions about AI image expansion — answered.
What is AI Uncrop?▾
AI Uncrop is a tool that expands an image beyond its original borders. Instead of cropping away important content, it creates new surrounding pixels that match the original image.
Is Uncrop the same as cropping?▾
No. Cropping removes part of an image. Uncropping expands the image canvas and uses AI to fill the new areas naturally.
Can I turn a vertical image into a horizontal image?▾
Yes. You can convert portrait images into landscape formats such as 16:9 by expanding the sides instead of cutting off the top or bottom.
Can I use it for product photos?▾
Yes. AI Uncrop is useful for product photos, ecommerce banners, marketplace images, ads, and landing page visuals.
Will the original subject change?▾
The tool is designed to preserve the original subject while generating new surrounding content. For best results, use clear images with visible subjects.
Is AI Uncrop good for social media?▾
Yes. It is especially useful for adapting images to Instagram, TikTok, YouTube, Reels, Shorts, Stories, Pinterest, and other platform-specific formats.
Free to Start