4K Chat

    Tip

    Show the physical object: phone cam + laptop without killing detail

    “I 4kChat because I have a business that needs to be shown — not reduced to a postage-stamp tile.”

    Some businesses cannot be described — they have to be shown. A finish, a seam, a fabric, a prototype. The good news is that showing a physical object well on a video call is mostly technique, not equipment. The bad news is that the obvious moves — waving it at the camera, screen-sharing a photo — are exactly the moves that kill the detail you are trying to show.

    Close, still, front-lit

    Three rules cover most of it. Bring it close: detail scales with how much of the frame the object fills — a part held at arm's length is a smudge, the same part ten centimeters from the lens is a texture. Hold it still: video encoders spend bits on motion; a moving object is a blurry object, while a held object gets sharp within a second or two. Count to three before you say "see?" Light it from the front: the side facing the camera is the side that matters, and room light usually lights the wrong side. See the lighting guide.

    Phone as a second angle

    Your laptop camera is pointed at your face. Your phone can be pointed at the object — on a stand, a stack of books, or a cheap gooseneck — as a second angle in the same call. Join the room from the phone as an additional participant, mute its mic and speaker to avoid echo, and you have a dedicated product camera next to your face camera.

    Two honest limits. First, seats: every participant counts, so on Free (up to 4 seats) a two-person call with your phone as a third seat fits fine; larger calls should check the caps — Pro up to 12, Cinema up to 32. Second, this is a real second participant, not a magic multi-cam feature — you manage it like one. There is no cascade or relay trickery involved; each device is simply a peer in the call.

    Avoid the share-of-a-share

    The tempting shortcut is to screen-share a window that shows your camera, or to share photos instead of the live object. Resist it. Screen share re-encodes an already-encoded picture, and fine texture is the first casualty — the viewer gets a mushy copy of a copy. If the object is physical, show the physical object on camera. If it genuinely is a file — a render, a drawing — share the file or the screen directly, not a camera pointed at a screen.

    Phone cam vs laptop cam

    Use the laptop cam for you: it is at eye height, stable, and already framed. Use the phone for the object: phone cameras are usually the better sensor in the room, they focus close without complaint, and they go where your hands are. If you only have the laptop, it still works — bring the object to the lens, hold still, and give the encoder a moment. Technique beats hardware here too.

    The full setup list is in the gear checklist, and the reasoning behind why detail survives (or does not) is in the white paper.

    Keep reading

    The facts, in one place

    Who it's for
    Founders pitching, reviewers and critics, interviewers — high-end 1:1 calls where detail matters.
    What you need
    A modern browser, a camera, and a solid uplink. For a big screen, cast or mirror from your phone or PC.
    Seats
    Free up to 4 · Pro up to 12 · Cinema up to 32.
    Resolution
    Follows your hardware and network. 4K/8K is not guaranteed on every call.
    Connectivity
    Direct peer-to-peer. Free has no TURN relay, so some strict networks (hard NAT) may not connect.
    Smart TV
    Cast or mirror only. There is no Smart TV store app.
    Apps
    Native apps are in development. The browser is the path today.
    Not for
    Emergency use. See Terms.

    You're in the room.

    Video for humans. See it all.