Create masks to reveal or hide areas in a design

The Mask effect allows you to create an alpha or luma mask from any object. A mask changes the opacity of lower layers in the timeline to show the area inside of the mask's dimensions. You can also invert a mask and apply other effects to further customize your design.

Caption: Image of a composition before and after applying the Mask effect to a shape.  

  1. Open a graphic in Titler Pro.

    Tip: For details about using Titler Pro with a video editor, see one of the articles in the Add graphics to projects in your video editor section of our help center.

  2. Complete the following steps.

    • Determine which area of the design you want to show or hide with a mask.
    • Determine which layer you will convert to a mask. If necessary, insert a new object for this purpose.
  3. If necessary, in the timeline, move the layer that will become a mask above all layers that you want to affect with the mask.
  4. Select the layer that you want to convert to a mask.
  5. In Attributes > Object > Effects, select Mask from the Blending mode drop-down list. Notice all objects that are outside of the mask's dimensions are no longer visible.
  6. To apply additional effects to the mask, mark any of the following checkboxes in the Effects Settings section.

    • Mask Single Layer Only: Affects only the layer immediately below the mask, but not any other layers below the mask.
    • Mask Uses Luma: Creates an alpha result based on the mask's luminance.
    • Invert Mask: Inverts all transparent and opaque layers in relation to the mask.
    • Preview Mask: Shows the shape of the mask and its affect on other layers in the preview window.
  7. Preview and save your design.
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