Crop Image — Free Selection, Aspect Ratios and Exact Dimensions — Numio
Drag a screenshot-style crop box, lock common ratios such as 1:1, 3:4 and 9:16, or enter pixel dimensions. Export PNG locally.
Runs in your browser · No sign-up
One static JPG, PNG, WebP or AVIF · up to 20 MB and 24 megapixels
How to use
- Choose the supported files from your device.
- Move the selection or drag any corner or edge to resize it. Lock a ratio such as 1:1, 3:4 or 9:16, or enter the crop width and height.
- Run the conversion, check the result, then download it.
Example
Choose 3:4 and enter a width of 300. The height becomes 400 and the exported PNG is 300 × 400 pixels.
Details and limitations
Cropping removes pixels outside the rectangle without stretching. The original file remains unchanged.
Conversion runs locally in your browser. This tool does not upload the chosen files.
FAQ
Can I crop on a phone?
Yes. Drag the selection and handles with touch, or enter crop dimensions. Scroll outside the image.
Are my files uploaded?
Conversion runs locally in your browser. This tool does not upload the chosen files.
Related tools
Format references
Tool page updated: