Blur an Image
Soften a photo with adjustable blur and transparent PNG output.
Drop your image here
Drag and drop, or choose a file below
JPG · PNG · WEBP
Up to 250 MB · One image at a time
Each image: up to 16 megapixels and 8192 px per side
Three soft box-blur passes preserve transparent color edges. A radius of 0 keeps the decoded pixels.
Exports a full-resolution PNG with transparency. PNG files can be larger than the original.
Original
Choose an image or try the sample to see your preview here.
100% local processing
How to use
- 01
Choose an image or try the local sample.
- 02
Choose a blur radius from 0 to 32 pixels.
- 03
Process, inspect the preview and download PNG.
Details and tips
How it works
Three horizontal and vertical box-blur passes average colors with alpha weighting, reducing dark fringes around transparent edges. The image dimensions stay unchanged.
Made for everyday images
Prepare soft backgrounds, reduce distracting detail and stylize image layers.
Frequently asked questions
Are images uploaded?
No. Processing and export happen on your device. Images are not saved to an account.
What are the limits?
Input supports JPG, PNG and WebP, up to 250 MB, 8192 px per side and 16 million pixels. Expanded output must also fit the pixel limits. Animated input is processed as a still frame.