What Gaussian Blur does
Gaussian Blur applies a smooth Gaussian blur with an adjustable radius for natural, even softening.
- Gaussian Blur
How do I apply a Gaussian blur to an image?
Gaussian Blur lets you apply a Gaussian blur to an image by uploading an image; the tool applies a smooth Gaussian blur with an adjustable radius for natural, even softening. Preview the result and download it. Everything runs in your browser, so your photo is never uploaded.
- The tool applies a smooth Gaussian blur with an adjustable radius for natural, even softening
- Instant live preview
- Download as JPG, PNG or WebP
- 100% client-side
What is
Gaussian Blur
A tool that applies a smooth Gaussian blur with an adjustable radius for natural, even softening in the browser.
Image Tools
Related terms
blurgaussian
Frequently Asked Questions
Yes, completely.
Gaussian Blur is free with no signup, watermark or limits.
No unnecessary loss.
The effect is applied at full resolution and exported without extra recompression unless you choose a lossy format.
No.
The effect is applied locally with the Canvas API in your browser.
Detailed Explanation
How it works
A Gaussian kernel is convolved over the pixels on a canvas at your chosen radius.
- Canvas pixel processing
Use cases
Create smooth depth-of-field looks, reduce noise, or blur backgrounds naturally.
- Photo editing
Limitations
The effect is applied uniformly in the browser; results depend on the source image and cannot recover detail that is not present.
- Source-dependent
Privacy
The image is processed entirely in your browser with the Canvas API; nothing is uploaded to a server.
- 100% local
- No upload