Image Cropper
Upload an image, set crop coordinates and aspect ratio, then download the cropped result.
Drag & drop image here
PNG · JPG · WebP · GIF supported
What is Image Cropper?
Image cropping is the process of selecting a rectangular region of an image and removing everything outside that selection. Cropping is one of the most fundamental image editing operations — it is used to improve composition, remove unwanted edges or distracting elements, resize for specific aspect ratios required by social media platforms, and focus attention on the subject of a photograph.
Different platforms require different aspect ratios: Instagram posts work best at 1:1 (square) or 4:5 portrait; YouTube thumbnails need 16:9 landscape; Twitter headers use 3:1 wide format; Facebook profile pictures are 1:1 circles; LinkedIn banners are 4:1. A dedicated image cropper with preset aspect ratios for these common formats saves time and removes guesswork.
Altairys's Image Cropper allows free-form cropping (drag to select any region), preset aspect ratios for major platforms (1:1, 4:3, 16:9, 9:16, 4:5, 3:1), and custom pixel dimensions. The interactive crop handle lets you drag corners and edges to adjust the selection precisely, with a live preview of the cropped result. The output is downloaded as a high-quality PNG or JPEG file with no watermarks and no size limits.
How to Use Image Cropper
- Upload your image
Drop your image or click to upload — supports JPEG, PNG, WebP, and more.
- Set crop area
Drag the crop handles to select the region you want to keep, or choose a preset aspect ratio.
- Preview the result
See a live preview of the cropped output before saving.
- Download
Download the cropped image as PNG or JPEG with full quality.
Key Benefits
One-click presets for Instagram, YouTube, Twitter, LinkedIn, and other platforms.
See exactly how the cropped image will look before downloading.
Cropped images download without any watermarks or Altairys branding.
All cropping happens in your browser — your images are never uploaded to any server.
Frequently Asked Questions
Instagram supports 1:1 (square), 4:5 (portrait, gives more screen space in the feed), and 1.91:1 (landscape). The 4:5 portrait ratio is recommended for maximum feed visibility.
YouTube thumbnails should be 16:9 aspect ratio, ideally 1280×720 pixels or larger. This ensures they look sharp on all device sizes.
Cropping itself does not reduce quality — it simply removes pixels outside the selected area. However, if you crop a small portion of a low-resolution image and then scale it up, the result will appear pixelated.
Yes. Before downloading, you can adjust the crop selection freely. The original image is always preserved in the editor until you navigate away.