Many official ID photo requirements specify an exact plain background color (often white or light grey). Drop your photo below to remove the existing background automatically, leaving a transparent PNG you can place onto the required color.
ID, passport, and visa photo specifications from most countries require a plain, uniform background — shadows, textures, or patterns behind the subject are a common reason submitted photos get rejected. Removing the background first, then compositing onto a single flat color, gives a far more uniform, requirement-compliant result than trying to photograph a perfectly plain backdrop at home.