Add Blur to Image Online — Free Blur Effect Tool
Apply adjustable blur to photos for privacy, design, or creative effects. Browser-based.
Image Filters
Use this tool directly in your browser — no signup required.
Use Image Filters100% private — files are processed locally and never uploaded.
How to Add Blur to Image Online
- 1
Upload your image
Select the image you want to blur. Works with JPG, PNG, and WebP files.
- 2
Set blur intensity
Adjust the blur slider. Low values (2-5) give a subtle softening effect. Higher values (10+) create heavy, privacy-grade blur.
- 3
Preview and download
Check the preview to make sure the blur level looks right, then download the blurred image.
Blur for Privacy, Design, and Creative Effects
The most common reason to blur an image is privacy. You need to share a screenshot but there's personal information visible — an email address, license plate, phone number, or someone's face in the background. Blurring the full image is the quickest way when you don't need selective blurring. For screenshots going into documentation or presentations, a light blur on the background keeps the focus on what matters.
Designers use blurred images as backgrounds behind text. A heavily blurred photo creates a colorful, atmospheric backdrop that doesn't compete with overlaid content. This technique is everywhere — app interfaces, hero sections on websites, presentation slides. Start with a relevant photo, blur it heavily, and layer your content on top.
Frequently Asked Questions
Can I blur just part of the image?
This tool applies blur to the entire image. For selective blurring (like blurring a face while keeping the rest sharp), you'd need a photo editor with masking capabilities. Full-image blur is ideal for backgrounds and privacy across the whole frame.
What blur intensity should I use for hiding text?
To make text completely unreadable, use intensity 10 or higher. Lower values might leave text partially legible — especially large or bold text. For sensitive information, err on the side of heavier blur.
Is Gaussian blur the same as pixelation?
No. Gaussian blur smooths pixels into soft gradients — it looks natural and aesthetic. Pixelation replaces areas with large blocky pixels — it's more obviously 'censored.' Gaussian blur is generally preferred for design uses; pixelation is common for privacy/censoring.