We are working on making our background remover better.
The initial photos are automatically removed every 24 hours What photo formats are supported?.
We process it on our backend to remove background only.
Namely you can not use our photos to conduct any sort of illegal activity What happens with my photo after upload? Can the background be removed more precisely? You can use them in any way you like, as long as that use does not violate our usage agreement.
However, better processing results may be achieved by uploading more quality, contrast photo of yourself with a good lighting and make sure your headshot is not cut by image boundaries e.