Image Sharpener
锐化清晰度边缘增强照片修复
Convolution-based edge enhancement to bring blurry photos back into focus with an adjustable strength slider — for text screenshots, old photo restoration and macro details, fully local.
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How to Use
- Upload or drop the image you want to adjust
- Drag the sliders to preview the effect in real time
- Export and save the adjusted image when satisfied
- Images are processed inside your browser only — never uploaded to any server
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FAQ
What sharpen strength is right?
30-60 looks natural; above 80 you risk halos and amplified noise — increase gradually while previewing.
Can it fix completely blurry photos?
No. Sharpening only amplifies existing edge contrast; it cannot reconstruct missed focus and over-sharpening exaggerates noise.
Is my image uploaded?
No, everything runs locally in your browser.