Crop images to mobile thumbnail proportions online for free. Centered aspect-ratio crop with resize for 9:16 stories, 1:1 squares, 4:5 posts and more.
Upload your image, pick a preset like 9:16 or 1:1, then click Crop Thumbnail. The tool crops from the center and resizes to the chosen dimensions.
No. The tool first crops to the target aspect ratio, then resizes. This keeps the proportions correct and avoids distortion.
Yes. Enter any ratio width and height, and any output width and height you need.
If you clear the output width and height, the tool will crop to the aspect ratio but keep the original resolution.
JPG, PNG, WebP, BMP and GIF images are supported. Output keeps the same format when possible.
No. Files are processed and immediately deleted. We never store your images.