Record with alpha

Recorder can capture the alpha channel and output transparency under certain conditions that depend on the render pipeline you're using and the Recorder settings.

Configure the active Render Pipeline

You must set up the active render pipeline to output alpha:

Render Pipeline	Guide to setup requirements
With High-Definition RP (HDRP)	Refer to Alpha channel configuration
With Univeral RP (URP) version 17+	Refer to Alpha processing setting

Choose a recording method

The two available recording methods support alpha recording.

Select the recorder type

You can record alpha with a Movie Recorder or an Image Sequence Recorder.

Configure the Recorder

Input properties

You must set the Source to a Targeted Camera, as the Game View doesn't support the alpha channel.

Output Format properties

Select an output format that supports the alpha channel, for example:
- With an Image Sequence Recorder, select PNG or EXR.
- With a Movie Recorder, select MP4 or use any encoder that supports transparency.
Make sure to enable the Include Alpha option.

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