Question: how to convert a white background to transparent in photoshop?
Answer: Edit, Copy. [00:06], Create a new layer. [00:11], Delete layer with original drawing. [00:17], Paint all black. [00:21], Add a mask. [00:36], Having the "alt" key pressed, click on the mask. [00:39], Edit, paste. [00:44], Image, Adjustments, Invert. [00:49]