High-Pass Filter & Micro-Contrast Sharpener

Unsharp Mask Engine

Recover blurry student photos, crispen scanned document text & pre-sharpen images before 300 DPI printing

100% Client-Side Privacy

1-Click Sharpen Presets

Sharpening Strength: 80%High Crisp

Edge Width Radius: 1.2pxConvolution Width

Noise Guard Threshold: 5Ignores Flat Skin Grain

Live Sharpened Micro-Contrast Preview

Upload Blurry Photo or Document

Supports JPG, PNG, WEBP (Student ID photos, soft scan documents, certificates)

Sharpened & Print Ready