Interactive Image Cropper Studio
Supports PNG, JPG, WebP, GIF, BMP, SVG. Processed 100% locally inside your browser.
About Image Blur Tool
The Gaussian & Selective Image Blur Tool applies adjustable Gaussian blur, radial tilt-shift, motion blur, and selective privacy box blurs (for faces, license plates, sensitive credit cards) with interactive brush masking.
How to Use Image Blur Tool
Step 1
Upload an image into the blur tool.
Step 2
Select blur mode (Full Image, Selective Privacy Box, or Tilt-Shift).
Step 3
Draw or position the blur mask over sensitive areas and adjust blur intensity.
Step 4
Click "Download Image".
Practical Use Cases for Image Blur Tool
Privacy Censorship & Sensitive Information Masking
Blur out customer credit card numbers, license plates, home addresses, and faces before publishing screenshots.
Tilt-Shift Miniature & Depth of Field Effects
Simulate shallow depth of field (bokeh) on landscape photos with linear and radial gradient blur transitions.
Input & Output Examples
Applying Privacy Blur to License Plate Area
Selected Box: (X: 120, Y: 340, W: 200, H: 60), Blur Radius: 20px
Crisp overall photo with completely illegible, smoothly blurred license plate region
Key Features & Performance
- ✓Blur modes: Full Gaussian Blur, Selective Rectangle Box Blur, Circular Blur Mask, and Linear Tilt-Shift.
- ✓Adjustable Blur Radius (1px to 100px) with GPU-accelerated multi-pass box blur algorithms.
- ✓Interactive drag-and-drop bounding boxes for instant privacy censoring.
- ✓100% Client-Side memory execution.
- ✓1-Click Download Blurred Image.
Key Terminology & Definitions
Gaussian Blur
A 2D convolution filter that blurs an image using a Gaussian normal distribution mathematical function.
Tilt-Shift Effect
An optical effect using selective focal planes and top/bottom blur gradients to make real-world scenes look like miniature scale models.