In this post we describe how we can make the background color transparent in an image with GIMP.
Here is the initial image:

Step 1: Make sure the image has an alpha channel. If there is no alpha channel, we can add it by
- Go to
Layer
- Select
Transparency
- Select
Add Alpha Channel

Step 2: Use By Color Selection Tool
- Go to
Tools
- Select
Select Tools
- Select
By Color Select

We can check the selected area by using the QuickMask button.

Step 3: Clear the background.
- Go to
Edit
- Select
Clear

Here is the final image:

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