Blur entire images or just the areas you choose
Upload an image and apply a full-frame blur or paint blur onto specific regions with a brush tool. Choose Gaussian blur for a smooth, natural defocus, box blur for a flat average, or motion blur for a directional streak. Adjust the radius to control intensity and preview the result before downloading.
Use this tool freeBrowser tool
Blur image
Runs locally in your browser. The selected image is not uploaded by this tool.
JPEG, PNG, and WebP are supported by default. Specialized converters restrict the file picker to their required input format.
How to use
Upload an image
Drag a JPEG, PNG, or WebP file into the tool. The image loads at full resolution in the editor.
Choose blur mode
Select Gaussian, box, or motion blur. Set the blur radius and, for motion blur, the angle.
Apply to full image or paint
Click 'Blur all' for a full-frame effect, or select the brush tool and paint blur onto specific areas.
Download
Click download to save the blurred image as a JPEG or PNG.
Features
Three blur modes
Gaussian blur produces a natural, camera-like defocus. Box blur creates a flat, uniform softening. Motion blur adds a directional streak at any angle you set.
Selective brush blur
Paint blur onto specific regions with an adjustable brush. Set the brush size and hardness, then stroke over faces, license plates, or sensitive text to obscure them while keeping the rest of the image sharp.
Adjustable blur radius
Control the blur intensity from a subtle 1 px softening to a heavy 50 px defocus. The preview updates in real time as you drag the slider.
Full-frame and region modes
Apply blur to the entire image in one click, or switch to region mode to blur only a rectangular selection or a freehand-painted area.
After this task
After this free tool, open Ai Enhance for the next AI editing workflow.
Continue with Ai EnhanceSpecifications
| Input formats | JPEG, PNG, WebP |
| Output formats | JPEG, PNG |
| Blur modes | Gaussian, box, motion |
| Blur radius | 1–50 px |
| Brush size | 5–200 px |
| Processing | Client-side (no upload) |
Related Magic Eraser Tools
Common questions
Can I blur faces for privacy?
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Yes. Use the brush tool to paint blur directly over faces, license plates, or any sensitive area. Increase the blur radius to 20 px or higher to make the region unrecognizable.
What is the difference between Gaussian and box blur?
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Gaussian blur weights nearby pixels more heavily, producing a smooth, natural fall-off like an out-of-focus camera lens. Box blur averages all pixels in the radius equally, creating a flatter, more artificial softening.
Can I undo the blur after saving?
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Once downloaded, the blur is permanently baked into the image pixels. Keep your original file if you think you might need the unblurred version later.
Want to sharpen instead of blur?
AI Enhance can intelligently sharpen soft or out-of-focus photos, recovering detail that simple sharpening filters miss. Try it on photos that need the opposite of blur.
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