I am trying to illustrate in GIMP 2.8 with pixel-perfect precision. The pencil tool allows me to fill in a single pixel without any fuzzy edges or anti-aliasing. However, the eraser tool operates more like a brush. I want to erase a single pixel (setting it back to transparent) without disrupting any neighboring pixels. Is this possible to do?

2 Answers 2


In the tool options for the eraser:

  • Select the first brush (pixel).
  • Select a size of 1.
  • Select hard edge.
  • Set Dynamics to Dynamics off

Then the eraser should do what you want.

(Also, do not forget that you need an alpha channel on the respective layer.)


To expand on another's answer, first:

  1. Select the first brush (pixel).
  2. Select a size of 1.
  3. Select hard edge
  4. Set "Dynamics" to "Dynamics off"

That's what I needed in order to get a single-click pixel to transparent/blank eraser.

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