This should be a very simple go board editor (in a sense) for setting up positions on a board from square sizes 7x7 to 19x19.

The buttons below the board allow you to generate random missing intersections for the board, in order to play such a go variant. You can also generate a shareable link, or draw the board to an image

Generate new board with number of holes =

Change board to size =

Generate a share-able link to the current board.