No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.

Does it work on mobile?

Yes. The viewer is mobile-first and works on phones, tablets, and desktops.

Video.mov · .qt

MOV (QuickTime) viewer

ready

MOV (QuickTime) · .mov · .qt

Apple QuickTime container.

Choose a fileor paste · ⌘V

About MOV (QuickTime)

Apple QuickTime container.

MOV is Apple's QuickTime format and the direct ancestor of MP4. We play with native <video> and inspect with mp4box.

FAQ

What is a MOV (QuickTime) file?: MOV is Apple's QuickTime format and the direct ancestor of MP4. We play with native <video> and inspect with mp4box.
Is my file uploaded?: No. Files are opened entirely in your browser using local JavaScript and WebAssembly. Nothing is sent to a server.
Does it work on mobile?: Yes. The viewer is mobile-first and works on phones, tablets, and desktops.