Is there a way to make a layer's background transparent?

I have a background image that is a little smaller than the frame size, so there is a white line when I export the movie from the layer on top of the background.

Is there a way I could set this white background to transparent so all the user sees is my background layer?

2 Answers 2


I have experienced this. I am not a Flash expert but what I do is make my comp/canvass the same size as that layer ctrl+J then change the sizes.


Using the Publish Settings in Flash Professional

The HTML for a SWF file can be created using the Publish Settings feature in Flash. The Publish Settings dialog box provides an option to affect the WMODE setting. The options selected in the Publish Settings are added to the HTML source code automatically.

  1. Choose File > Publish Settings. Make sure that HTML is selected.
  2. Select HTML.
  3. Choose Transparent Windowless from the Window Mode menu to make the SWF file's background disappear in browsers that support this feature.
  4. Publish the document.

Help Source

  • Is publishing the only way to set my transparency options? Jan 2, 2014 at 16:58
  • @TylerDeWitt - The layer should already be transparent unless you have an image in the background. Perhaps post an image if I am not understanding you correctly.
    – ckpepper02
    Jan 14, 2014 at 19:19

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