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How to Blur Image in Photoshop

By: ChangeImageTo.com Team ·

Photoshop offers powerful blur tools for creating professional effects. Here's how to blur images in Photoshop, including blurring backgrounds while keeping subjects sharp.

Blur entire image in Photoshop

  1. Open your image in Photoshop: File → Open or press Ctrl+O (Cmd+O on Mac).
  2. Go to Filter → Blur → Gaussian Blur.
  3. In the Gaussian Blur dialog, adjust the Radius slider (0.1 to 1000 pixels).
  4. Preview the blur effect in real-time.
  5. Click OK to apply the blur.
  6. Save your image: File → Save As or Export → Export As.

Blur background while keeping subject sharp

To blur only the background in Photoshop:

  1. Open your image and duplicate the background layer: Layer → Duplicate Layer or press Ctrl+J (Cmd+J on Mac).
  2. Select the subject: Use Select → Subject for automatic selection, or use Quick Selection Tool, Magic Wand, or Pen Tool manually.
  3. Refine the selection: Select → Select and Mask to improve edges.
  4. Invert the selection: Select → Inverse or press Ctrl+Shift+I (Cmd+Shift+I on Mac) to select the background.
  5. Apply blur: Filter → Blur → Gaussian Blur and adjust the radius (typically 5-20 pixels).
  6. Click OK to apply. The subject remains sharp while the background is blurred.
  7. Save your image.

Free alternative for quick results

For faster results without Photoshop, use our free Blur Background tool:

  1. Upload your photo to our Blur Background tool.
  2. Select blur intensity (Light, Medium, Strong, or Max).
  3. Download your image with a professionally blurred background.

This tool uses AI to automatically detect and blur only the background while keeping your subject sharp. Perfect for portrait photos and product images.

Try it online (free)

Other blur filters in Photoshop

Tips for blurring in Photoshop

FAQ

Can I blur just the background in Photoshop?

Yes, use Select → Subject to select the subject, invert the selection, then apply Gaussian Blur. For easier results, use our Blur Background tool.

What's the best blur filter for portraits?

Use Lens Blur for realistic depth-of-field effects, or Gaussian Blur for smooth background blur. Our Blur Background tool automatically handles this.

Is it really free?

Yes, our blur background tool is completely free with no watermark and no login required.

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