How to make ordinary photos into ID photos with mobile phones?

1, mobile phone or computer must use image processing software, without which it can't be done.

2. There are certain requirements for the photo of the ID card. Some require a red background, some require a blue background, and some require a white background, which should be made according to requirements.

3. ID photos also require pixels and resolution, and not all ID photos have the same requirements.

4, through the production method of PS:

The first is to cut the picture as the background;

The second is to crop the image by custom cropping to meet the requirements of pixels.