Blur an Image

Add smooth Gaussian-style blur to images online with adjustable blur radius. Create frosted glass backgrounds, soften harsh details, and censor photos with 100% private in-browser rendering.

Private • In-browser processing • Zero server uploads

Interactive workspace loading...

How to Use Blur an Image

1
Load Image
Upload or drag your PNG, JPG, or WebP graphic into the workspace.
2
Adjust Blur Radius
Move the radius slider from 1px (subtle) to 40px (deep blur).
3
Check Live Preview
Inspect the softened textures and light diffusion in real time.
4
Download Image
Click Download to save your blurred high-resolution image.

Key Features

High-Performance Separable Blur
Employs dual 1D convolution passes for instantaneous 60 FPS performance.
Adjustable Intensity Radius
Dial blur radius from subtle 1px softening up to intense 40px frosted glass diffusion.
Edge-Aware Clamping
Avoids dark vignette artifacts along outer canvas boundaries.
100% In-Browser Privacy
Photos are blurred directly on your CPU without leaving your device.

Common Use Cases

  • Creating stylish frosted glass aesthetic hero backdrops for modern web designs.
  • Softening distracting backgrounds in portrait photography to highlight foreground subjects.
  • Obscuring background credentials, license plates, and private documents.
  • Producing smooth artistic color gradients from complex photographic scenes.

Frequently Asked Questions

The tool uses a separable box blur algorithm that computes horizontal and vertical averages in two linear passes, achieving the smooth aesthetic of Gaussian blur in a fraction of the computation time.

No, your original pixel dimensions (width and height) remain 100% intact; only the color frequencies between neighboring pixels are softened.

Never. All image processing takes place completely offline inside your web browser.

Sharpen an Image
Apply an unsharp mask or sharpening filter to enhance image details.
Resize an Image
Resize PNG, JPG or WebP images to exact pixels or by percentage, with aspect lock.
Grayscale JPG
Convert a JPG image to grayscale (black and white) in your browser.
Pixelate JPG
Apply a pixelation effect to a JPG image with adjustable block size.
Change JPG Quality
Re-encode a JPG image with a custom quality level (1–100) to reduce file size.