Adobe Photoshop: how to pixel blur a part of an image

  1. Open the photo using Adobe Photoshop.
  2. Select the part you want to pixel blur, using the Rectangular Marquee Tool.
  3. Click Filter ==> Pixelate ==> Mosaic. The Mosaic window will pop up on the screen, change the value of the “Cell Size” field to determine the number of squares, When done, click “Ok”.
  4. You’re done!


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