Region Mask

Drag over any part of an image to apply mosaic or blur and hide sensitive details like faces, plates or text.

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Drop an image here

PNG · JPG · WebP

Frequently Asked Questions

How do I select a region?+
Click and drag on the image to draw a rectangle over the area you want to mask — release the mouse to apply the effect.
What is the difference between mosaic and blur?+
Mosaic replaces the area with large color blocks (pixelation), while blur softens the details with a smooth Gaussian-like effect.

Related Tools

Region Maskfree online image region mask, mosaic blur tool, blur part of image, mosaic part of image, hide area in image, pixelate region. No signup required. Works in your browser.