Tips & Tricks 4 min readApril 1, 2026
How to Blur or Sharpen Images Online — Quick Photo Fixes
Adjust image focus with blur and sharpen tools. Blur backgrounds, fix slightly out-of-focus photos, or create effects.
Blur Effects
When to Use Blur
- Create a depth-of-field effect (blurred background, sharp subject)
- Hide sensitive information in screenshots
- Create a soft, dreamy aesthetic
- Generate background images from photos
Types of Blur
- Gaussian blur — Uniform softening in all directions
- Box blur — Faster but slightly less smooth
- Motion blur — Simulates camera movement
Sharpen Effects
When to Use Sharpen
- Slightly out-of-focus photos
- Images that look soft after resizing
- Scanned documents that need crisper text
- Photos that will be printed
Sharpening Tips
- Less is more — Over-sharpening creates ugly halos and noise
- Sharpen last — Apply sharpening as the final step after all other edits
- Cannot fix truly blurry photos — Sharpening enhances existing edges; it does not add missing detail
How to Apply
- Upload your image
- Choose the effect (blur or sharpen)
- Adjust the intensity with the slider
- Preview the result
- Download when satisfied
Recommended Settings
| Effect | Light | Medium | Strong |
|---|---|---|---|
| Blur radius | 2-5 px | 5-15 px | 15-30 px |
| Sharpen amount | 20-40% | 40-70% | 70-100% |
blursharpenphoto editingfocusimage filter
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