Crop and Resize Image Online
Need to both crop and resize your image? This guide explains the difference and how to do both effectively.
Crop vs Resize: What's the Difference?
Cropping
- Removes parts of the image
- Changes composition
- Keeps pixel density
- Makes file smaller
Resizing
- Scales the entire image
- Keeps composition
- Changes pixel count
- Can increase or decrease file size
When to Crop
Crop when you want to:
- Remove unwanted background
- Focus on a specific subject
- Change the aspect ratio
- Improve composition
When to Resize
Resize when you need to:
- Meet specific pixel dimensions
- Reduce file size
- Fit a particular space
- Match platform requirements
The Correct Order
Always crop first, then resize. Here's why:
- 1. Cropping at full resolution preserves quality
- 2. Resizing after gives you the exact dimensions
- 3. Resizing first then cropping wastes pixels
Step-by-Step Process
1. Upload Your Image
Start with the highest resolution version available.
2. Crop to Correct Ratio
Select the aspect ratio matching your target:
- Instagram post: 1:1 (square)
- YouTube thumbnail: 16:9
- Portrait: 2:3 or 8:10
3. Apply the Crop
Position and confirm your crop selection.
4. Resize (if needed)
After cropping, resize to your exact pixel requirements:
- Use an image editor for precise resizing
- Keep aspect ratio locked to prevent distortion
Common Scenarios
For Social Media
| Platform | Crop Ratio | Final Size |
|---|
| Instagram Post | 1:1 | 1080 x 1080 |
|---|---|---|
| Instagram Story | 9:16 | 1080 x 1920 |
| Facebook Cover | 2.7:1 | 820 x 312 |
| Twitter Header | 3:1 | 1500 x 500 |
| LinkedIn Banner | 4:1 | 1584 x 396 |
For Printing
| Print Size | Crop Ratio | Pixels (300 DPI) |
|---|
| 4x6" | 2:3 | 1200 x 1800 |
|---|---|---|
| 5x7" | 5:7 | 1500 x 2100 |
| 8x10" | 4:5 | 2400 x 3000 |
Quality Tips
- 1. Don't upscale - Enlarging reduces quality
- 2. Crop conservatively - Keep more than you need
- 3. Use PNG - For maximum quality preservation
- 4. Check sharpness - Zoom to 100% to verify
File Size Considerations
After cropping and resizing:
- PNG: ~1-5 MB for photos
- JPG 100%: ~500 KB - 2 MB
- JPG 85%: ~200 KB - 800 KB
Choose based on your quality vs. size needs.