Gimp – how to make entire layer transparent

I’m trying to create watermark so I want my logo layer to be transparent. How do I achieve this? I tried all the existing guides but they aren’t working. The layers are in JPG format by default when I import them. Can someone give me the step by step directions?


  1. Drag general picture to a empty Gimp window or open it from File dialog (Ctrl+O).

  2. Drag second picture (watermark) to already opened image document or Open as Layers.. from File dialog (Ctrl+Alt+O). Now you will see 2 layers in Layer tool (Ctrl+L). Make sure than watermark image is above of layer of general image.

  3. Right click on watermark layer and select Edit Layer Attributes...

  4. In Layer Attributes set Opacity to 20-25 or smaller.

  5. Optional: move your watermark layer or duplicate it.

Source : Link , Question Author : Fedez , Answer Author : mature

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