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Browser-based image tool

Blur Part of an Image

Hide incidental details or create local focus effects with an adjustable rectangle.

Source preview
Source image preview

Choose an image to begin

New result
Generated image preview

No export yet

Settings
Select images to begin.
Privacy: Processing and file downloads stay inside your browser. There is no upload endpoint for this tool. Browser memory limits still apply.
How to use Blur Part of an Image
  1. Choose the supported source image from your device.
  2. Adjust the controls and review the original preview.
  3. Select Process locally, review the result and download the output.
What to expect
Apply adjustable blur within a rectangular image region without uploading anything. Hide incidental details or create local focus effects with an adjustable rectangle.
Limitations and image privacy
Blur can be reversed or inferred in some cases. For sensitive information, use opaque redaction.
Each file is capped at 20 MB and 30 million decoded pixels. Multiple files are processed sequentially to limit CPU and memory demands. Files are processed locally; nothing is transmitted to the image-processing server. Generated copies can differ from the original and original files remain on your device.
Explore all working image tools, or see supported image formats.