Crop Image by Aspect Ratio (1:1, 4:5, 16:9, 9:16)
Crop your photos to exact aspect ratios without distortion. Select standard presets like 1:1 (Square), 4:5 (Instagram portrait), 16:9 (YouTube thumbnail), 9:16 (Story/TikTok), or 4:3 / 3:2, and adjust the frame with interactive visual controls.
Upload photo to crop by aspect ratio
Presets for 1:1, 4:5, 16:9, 9:16 with interactive visual positioning.
How to use Crop by Ratio in 4 simple steps
Fast, private, and runs entirely in your local browser memory.
Upload image to crop
Select any photo or artwork from your device.
Choose desired aspect ratio
Select 1:1, 4:5, 16:9, 9:16, 4:3, 3:2, or freeform cropping.
Adjust the crop boundary
Drag and position the highlighted crop rectangle over the focal subject.
Export cropped image
Download the cleanly cropped image in full quality.
Key features & capabilities
Popular form & document presets
Frequently asked questions
What aspect ratio should I use for Instagram posts?
Square posts use 1:1 (1080×1080 px), while vertical feed posts use 4:5 (1080×1350 px). Stories and Reels use 9:16 (1080×1920 px).
What aspect ratio is best for YouTube thumbnails?
YouTube thumbnails mandate a 16:9 widescreen ratio with a standard resolution of 1280×720 pixels.
Can I reposition the crop area freely?
Yes. You can drag and position the selection rectangle anywhere across the source image.