High-Pass & Unsharp Mask Image Sharpener
Dial in Radius, Amount, and Threshold to accentuate image detail without halo artifacts. Combine with High-Pass layer blending in Overlay mode for studio-grade edge contrast.
OmniPhoto sharpens photos using algorithmic convolution and frequency subtraction. By computing unsharp masks in Rust WebAssembly, edge contrast is restored in milliseconds.
How-To Guide
Select Layer
Select the layer you wish to sharpen.
Open Filter
Choose Filter › Sharpen › Unsharp Mask from the top menu.
Dial Sliders
Set Radius (typically 0.8–1.5 px) and Amount (50–150%), adjusting Threshold to prevent noise amplification.
Apply & Compare
Toggle the preview checkbox to verify crispness, then click OK to commit.
Frequently Asked Questions
What is the ideal radius for sharpening web photos?
Does sharpening increase grain or noise in dark areas?
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