UTILITY
Sharpen image
Increase local contrast using a convolution sharpening filter.
Tool
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INSTRUCTIONS
How to use it
- 1
Choose the source image from your device.
- 2
Adjust the amount or color controls, and inspect the updated image preview.
- 3
Download the processed PNG; your original file remains unchanged.
DETAILS
About this tool
The effect applies a 3×3 sharpening kernel and blends the filtered pixels with the original according to intensity.
High strengths can produce halos and emphasize image noise.
Practical questions
What does this tool change or return?
The effect applies a 3×3 sharpening kernel and blends the filtered pixels with the original according to intensity.
What are its limitations?
High strengths can produce halos and emphasize image noise.