coboard----
In the room
    Chat
    BorderFill

    Rejoining…

    Putting you back into your room.

    Create or join a room

    Start a fresh board, join one with a code, or import a saved board.

    or
    or

    Create a room

    You'll be the owner — every setting can be changed later.

    Import a board

    Upload a coboard JSON export — the .json file from "Export as JSON".

    If its original room is still open you can jump back in; otherwise it's restored into a brand-new room you own. PNG images can't be imported.