✦ Free · No Upload · Browser-Based
Blur Image Online — Free Gaussian Blur
Apply Gaussian blur to any image. Adjust blur intensity. Great for privacy, backgrounds, and effects.
✓ 100% Free✓ No file uploads🔒 Private⚡ Instant
Drop images here — batch supported
All image formats supported
10px
How to Blur an Image Online
Blurring is useful for hiding sensitive information, creating depth-of-field effects, making backgrounds less distracting, or applying artistic effects. ImageZen4u applies a Gaussian blur entirely in your browser using the Canvas API filter.
1
Upload your image(s)
Drop one or multiple images. Batch blurring supported.
2
Set blur intensity
Drag the slider. Higher values = more blur. 5-10px for subtle, 20-50px for strong blur.
3
Download
Your blurred image(s) download as JPEG.
This tool blurs the entire image. For selective blurring (e.g. face or number plate), use a full image editor like Photopea which supports layer masks.