Change the color of your images to black and white color.
You can create a binary image (with just two colors, black and white) or an image in gray-scale.
Pass your finger over the areas where you want to change the color.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
