By giving a cell the simple option CellOpen -> False, it can be hidden from view.

But for inline cells (cell within a cell) this does not work.

An option Visible -> False only seems to exist for notebooks, not for cells.

What to do?

  • $\begingroup$ One way would be to add a CellSize option to the inline cell and toggle between {0,0} and Inherited but this would be quite messy to implement I think. $\endgroup$ Oct 18, 2012 at 22:05
  • $\begingroup$ May be you can add an White color or Balck color or other color for all your inline cells and set the content unseen. $\endgroup$ May 8, 2013 at 6:31

2 Answers 2


One way is to go with stylesheets, you can set DefaultNewInlineCellStyle option for StyleData["Notebook"] and for this given style, a specific CellSize, then you can proceed with toggling it. But it is messy and probably an overreaction.

I'd go with this simple procedure, you can put it as a MenuItem, a new shortcut or whatever you find convenient. For simplicity let's create a quick palette:

So, first of all, from documentation of Cells[obj]:

obj may be a NotebookObject or a CellObject. If obj is a CellObject, then Cells returns the inline cells in the specified cell.

     "Toggle inline cells visibility",
       inlineCells = Cells /@ Cells @ InputNotebook[] // Flatten;
          CurrentValue[#, CellSize] === {1, 1},
          SetOptions[#, CellSize -> Automatic],
          SetOptions[#, CellSize -> {1, 1}]
       ] & /@ inlineCells

Size {0,0} is not supported so we are using {1, 1} which is small enough :)


Another way to hide inline cells is by wrapping them in a 0x0 Pane or PaneBox. This has the advantage of not requiring one to change the overall CellSize, which can be useful in some niche use-cases (like I've run into) where perhaps you want to obtain the would-be-size of a cell without showing it. My use-case for this is a custom "ragged wrapped row/grid" package.

I'm also sharing my routine for obtaining a CellObject for an inline cell in the most efficient way I know how to: using Initialization. (In practice, using a module / Unique[] instead of a global for cellTagObj is advised)

   "some dummy contents",
     BoxData@Table["aaaaabbbbbcccccddddd", {i, 1, 20}],
     CellMargins -> {{0, 0}, {0, 0}},
     CellFrameMargins -> {{0, 0}, {0, 0}},
     ImageMargins -> {{0, 0}, {0, 0}},
     CellElementSpacings -> {"CellMinHeight" -> 0, 
       "ClosedCellHeight" -> 0},
     RuleDelayed[Initialization, cellTagObj = EvaluationCell[]]
    ImageSize -> {0, 0},
    FrameMargins -> {{0, 0}, {0, 0}},
    ImageMargins -> {{0, 0}, {0, 0}},
    ContentPadding -> False
   "some more dummy contents"

AbsoluteOptions[cellTagObj, CellSize]

Output: enter image description here


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