Image Blur Tool
Apply customizable blur effects to images with intensity control and privacy protection options. Perfect for anonymizing images, creating artistic effects, and background blurring.
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What is Image Blur Tool?
Image Blur Tool softens photo detail with an adjustable blur radius. The effect can hide faces, license plates, text, or backgrounds before an image is shared. The tool renders the image in the browser, applies the blur filter to canvas pixels, and exports the edited image at the original dimensions.
How does Image Blur Tool work?
This tool decodes the image, draws it to a browser canvas, and applies a blur filter at the selected radius. A larger radius samples pixels from a wider area, which removes more detail and creates stronger smoothing. The output keeps the image dimensions while changing visible pixel detail.
Key Features
- Adjustable blur intensity from 1px to 20px
- Real-time preview before downloading
- Drag-and-drop image selection
- Preserves original image dimensions
- Download blurred image output
- Canvas-based local processing
- Supports JPG, PNG, WebP, and GIF
- Batch processing support
Common Use Cases
Privacy protection
Blur faces, license plates, or sensitive text in photos before sharing on social media or reports.
Background softening
Apply blur to image backgrounds to simulate depth of field and draw focus to the subject.
Artistic effects
Create dreamy, soft-focus, or abstract effects by applying varying levels of blur to photographs.
Thumbnail preparation
Blur preview images to create placeholder thumbnails that load before the full-resolution image.
How to Use This Tool
Upload an image
Drag and drop an image file or select one from your device.
Adjust blur
Use the slider to set the blur intensity. Preview the result in real time.
Download
Save the blurred image to your device.
Pro Tips
- 1
Use a subtle blur (2-5px) for background softening. Use heavy blur (15-20px) for privacy protection.
- 2
Blur works best on photographs. Graphics with sharp edges may look odd when blurred.
- 3
For privacy, make sure the blur is heavy enough that the original content cannot be reconstructed.
- 4
Apply blur to a cropped region if you only need to obscure part of the image.
Frequently Asked Questions
Will the image quality change?
The blur effect intentionally reduces detail in the image. The overall resolution and dimensions remain the same.
Is my image uploaded to a server?
No. The image is decoded, blurred, and exported in the browser.
What image formats are supported?
The tool supports JPG, PNG, WebP, and GIF images.
Can I blur only part of the image?
The tool applies blur to the entire image. For partial blurring, crop the region first or use a more advanced editor.
Can I process multiple images at once?
Yes. Upload multiple files and the tool applies the blur to all of them.