The disposable camera look, on your photo

Yes. The tool reads the same stock definitions the viewfinder and the developing step use, so what comes out here is what a roll comes back as.

We never receive it. The file is opened by your browser, drawn to a canvas, and saved from there. Nothing is sent to a server, ours or anyone's.

Because a wall of filters is a different product. A roll is shot on one stock, chosen once, the way a film camera works, and every frame on it matches.

Yes. Short clips get the same treatment as the photos, on the same roll, which is the one thing most apps in this category still do not do.