Installing Extensions

CEP Extensions first became available for After Effects in version CC 2014. CEP extensions give you all the benefits as Script UI panels, however they also allow for much more complex and user-friendly interfaces.

Using an Installer

To install an extension, which has a .zxp file type, it is simplest to use an installer. Adobe has their own installer, however it limits your Extensions to what is available on Adobe's own platform. A much simpler and open option is to use the ZXP Installer from aescripts.com. It is available for free for both Mac and Windows.

Once you've downloaded and installed the ZXP Installer, simply open the .zxp extension in the installer. The ZXP Installer will take care of the rest. Once the extension has been installed, you can see basic information about the extension, such as its version.

To run the extension, restart After Effects and go to:

Window > Extensions > Your Extension

Installing Manually

If you would prefer not to use an installer, you may install extensions manually, however the process is not user friendly.

On Windows

  1. Rename your .zxp extension file to use .zip instead. (You'll get a warning, but just click OK)
  2. Unzip the file, you should get a folder. Rename it if desired
  3. Copy that folder into C:\Program Files (x86)\Common Files\Adobe\CEP\extensions\
  4. Restart After Effects
  5. Your extension should now show up under Window > Extensions

On Mac:

  1. Rename your .zxp extension file to use .zip instead.
  2. Unzip the file, you should get a folder. Rename it if desired (You may need a 3rd party utility to unzip)
  3. Copy that folder into ~/Library/Application Support/Adobe/CEP/extensions
  4. Restart After Effects
  5. Your extension should now show up under Window > Extensions

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