Cutting out images becomes easier.
1. About Eraser Tool
The eraser tool operates in roughly the same way as the brush tool, but instead of changing the pixels in the stroke to the selected color, it erases the pixels to be transparent. To use the eraser, click and drag in the image to erase the pixels within the eraser stroke.
2. About Image Cutout Tool
Clip image with bezier curve shape in iCutout.
Draw and edit Bezier curves and crop selected parts.
3. About Replace Colors Tool
Replacement of a certain color in the image to the specified color.
You can use the eraser tool for free, and you can use the "image cutout" and "replace colors" tools after unlocking the full version.