Free Developer Tool
Image Crop Calculator
Calculate crop dimensions and positioning for images while preserving the desired aspect ratio.
Original Image
×
Crop Position
,
Crop Size
×
Optional Target Aspect Ratio
What is Image Crop Calculator?
Calculate image crop dimensions and positioning based on an original image size and a target aspect ratio.
How to use
- Enter the original image dimensions.
- Choose or enter the target aspect ratio.
- Calculate the required crop dimensions.
- Review the crop area and remaining dimensions.
Features
- Aspect ratio based cropping
- Crop dimension calculation
- Center crop positioning
- Browser processing
Common Use Cases
- Image preparation
- Social media images
- Thumbnail creation
- Responsive layouts
Example
Input
Original: 1600 × 1200 Target ratio: 16:9
Output
Crop size: 1600 × 900 Vertical crop: 150 px top and bottom
FAQ
Can I enter a custom aspect ratio?
Yes.
Does it calculate the crop area?
Yes.
Does it modify the original image?
No.
Missing a feature?
If this tool doesn't cover your use case or is missing functionality, please let me know through the Contact page.
New improvements and features are added based on user feedback.