Add a blur effect to your image with a simple slider.
Choose an image to get started.
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What is the Blur Image?
Image blurring is a digital technique that reduces the clarity of specific regions in a photograph or graphic by averaging pixel values in a local area. This produces a softened, indistinct effect that can hide faces, license plates, personal details, or unwanted background elements while keeping the rest of the image intact.
How it works
The tool applies a mathematical filter (typically Gaussian blur) to your image by calculating weighted averages of neighboring pixels. You upload your image, select or draw the area you want blurred, choose the blur intensity (from subtle to heavy), and download the result instantly. No processing servers keep your file—everything happens in your browser.
Examples
Input
Result
Notes
A portrait photo with a busy office background
Sharp face, soft-focus blurred background
Ideal for professional profiles where background distraction matters
A street scene photo with a person's face and a visible street sign
Pixelated/blurred face and sign, rest of scene clear
Protects privacy when sharing candid public photos
A screenshot containing a password, API key, or confidential number
Sensitive text completely obscured, document context preserved
Safe to share documentation or tutorials without leaking secrets
How to use the Blur Image
Click 'Upload Image' or drag your photo onto the canvas
Select your blur type: Gaussian (smooth), Pixelate (mosaic), or Motion Blur
Adjust blur intensity using the slider—preview updates in real time
Use the brush or selection tool to mark which areas to blur
Click 'Apply Blur' to process your image
Download the blurred image to your device
Benefits
Protects privacy by obscuring faces, license plates, and personal details
Removes or softens distracting backgrounds in professional photos
Hides sensitive information (passwords, email addresses, account numbers) in screenshots
Creates artistic or cinematic effects for social media posts
Works directly in your browser—no software to install or account required
Processes instantly with no file size restrictions or upload delays
Tips & common mistakes
Common mistakes
Using too little blur—sensitive details can still be read or reconstructed by zooming
Blurring only part of a face—multiple angles of the same person may still be identifiable
Forgetting to blur metadata—image location data and timestamps remain in the file
Over-blurring—making entire images illegible when only specific regions need protection
Tips
For maximum privacy, use pixelate mode on faces rather than Gaussian blur—pixelation is harder to reverse
Always preview your blurred image at full zoom before downloading to ensure sensitive content is truly hidden
If sharing online, consider also removing image metadata (EXIF data) which may contain location or device info
Use a larger brush or selection to blur slightly beyond the boundary of the sensitive area—avoid thin margins
Frequently asked questions
Is my image stored or seen by anyone?
No. All processing happens in your browser. Your image never uploads to any server and is deleted from memory once you download or leave the page.
Can blurred areas be unblurred or 'hacked' to reveal the original?
Pixelate and heavy Gaussian blurs are effectively permanent—the original pixel data is replaced, not hidden. Light blurs can theoretically be analyzed by advanced software, so use higher intensity for truly sensitive data.
What image formats are supported?
JPG, PNG, GIF, WebP, and BMP. The tool works with any standard image format and preserves quality during download.
Can I blur just a person's eyes or entire face?
Yes. Use the free-form brush tool to select exactly what you want blurred. You can blur just eyes, a full face, a number, or any region.
Is there a blur strength limit?
No. You can adjust blur radius from 1 pixel (subtle) up to 100+ pixels (completely opaque/pixelated). Higher values create stronger privacy or visual effects.
Can I undo a blur or edit it after applying?
Undo works while you're editing. Once you download the image, the blur is permanent. To make changes, re-upload and blur again.