Toolbox

Image Blur Tool

虚化模糊马赛克背景虚化

Box-blur smoothing with an adjustable pixel radius and live preview — for background softening, privacy masking and dreamy effects, 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

How to choose blur radius?

Subtle mood 2-4 px, portrait backgrounds 6-10 px, full information masking 15+ px; larger radii take longer to compute.

Why is processing slow on big images?

Blur cost scales with pixel count; multi-megapixel images take seconds — resize down first, blur, then export.

Is my image uploaded?

No, everything runs locally in your browser.