BgSub

Drop an image onto BgSub and the background is gone in about 5 seconds, with a clean cutout you can keep as is or swap for a new backdrop.

BgSub is an AI background remover and replacer that runs entirely in your browser, so your pictures are not uploaded to a server.

That matters if you are editing personal photos or product shots you would rather not send anywhere.

Removal works in one click.

When you replace a background, the tool adjusts colors so the subject sits more naturally against the new scene.

The site also has an AI colorize feature, which gives it a small extra use beyond cutouts, and it is listed under background generation too.

BgSub is a good fit for quick, one-off edits where speed and privacy count more than detailed manual control.

Because everything happens on a web page, there is nothing to install before you start.