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Online Image Blur for Selected Areas

Online Image Blur for Selected Areas

Drag over multiple rectangular areas, adjust blur strength, and export a PNG at the original image dimensions.

Focus mode
Image editor
Upload an image, then drag over areas to blur them.
Settings
Manage blur strength and selected regions.
16px

Upload an image first.

Key features

  • Adds multiple blur regions by dragging over the image.
  • Adjusts blur strength from 2 to 60 pixels.
  • Removes individual or all regions and temporarily previews the original.
  • Downloads the processed result as a PNG at the source pixel dimensions.

How to use

  1. Add the image by file selection, drag and drop, or paste.
  2. Drag over sensitive areas and adjust blur strength and regions.
  3. Review the result and save it as PNG.

Examples

  • Obscure sensitive details in a screenshot

    Select multiple rectangular regions containing names, addresses, or identifiers and blur them before sharing.

  • Blur faces or part of a photo

    Use the original preview to check placement, adjust blur strength, and save a PNG at the source pixel dimensions.

Privacy

Image decoding, blur rendering, and PNG creation run on a browser canvas; the file is not sent to a server.

Requirements

Input formats and practical image size depend on the browser's image decoders and available canvas memory.

Common questions

Can I mark more than one blur area?
Yes. Add multiple rectangular regions on the canvas, remove them individually, or clear all selected regions.
Does export shrink the image to its displayed size?
No. The result is rendered and saved as PNG at the original image's pixel dimensions, regardless of the on-screen scale.

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