Blurring an image has many uses — hiding sensitive information, creating professional background blur effects, or simply softening an image for artistic reasons. ImageZen4u applies a Gaussian blur entirely in your browser.

Common reasons to blur an image

How to blur an image in 3 steps

1

Upload your image

Go to ImageZen4u Blur Image. Batch blurring supported.

2

Set blur amount

2-5px for subtle softening, 10-20px for obvious blur, 30-50px for heavy privacy blur.

3

Download

Your blurred image downloads as JPEG.

Blur your image now

Open Blur Image Tool →