I used Paintbrush drawing an icon, if it is on a colored background, it will display a white block shown as below.

I prefer to change the icon background from white color to transparent color:

Do I need a special tool?
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I used Paintbrush drawing an icon, if it is on a colored background, it will display a white block shown as below.
I prefer to change the icon background from white color to transparent color:
Do I need a special tool?
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Personally, I use GIMP for all my graphics editing needs. It makes it trivial to make a png with transparency. If you do a lot of graphics, or even just playing around it is worth the download. Also, it's free. | |||||
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Use the right tool for the job instead. I'm sure you can find something useful here OSX Icon Editor Pack! | |||
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Have you checked alternativeTo for free alternatives to Adobe photoshop? | |||
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