Image Aspect Ratio Changer
Upload an image, choose a target ratio, crop or fit it into the new canvas, and download the resized result.
Your resized ratio image will appear here
Change image ratios without stretching
Common ratio presets
Use square, 16:9, 9:16, 4:5, 3:2, or a custom canvas size.
Crop, fit, or blur
Fill the frame, preserve the whole image with padding, or add a blurred background.
Browser-side resize
Your image stays in your browser and the aspect ratio change runs locally.
它是如何運作的
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1
上傳圖片
Choose a photo, thumbnail, product image, or social graphic.
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2
Choose ratio
Pick a preset or type a custom width and height.
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3
Download result
Export the new ratio as PNG or JPG.
Changing aspect ratio safely
Changing aspect ratio should not stretch the image. Use fill and crop when the subject can be cropped, fit when you need the whole image visible, and blurred background when you want a full-frame social format without cutting content.
常見問題
Will this stretch my image?
No. The tool uses crop, fit, or blurred background modes rather than stretching pixels.
Can I make a vertical 9:16 image?
Yes. Choose the 9:16 preset and export PNG or JPG.
我的圖片上傳了嗎？
No. Your image stays in your browser and processing runs locally.
Image Aspect Ratio Changer last reviewed: Jul 12, 2026.