A channel trailer is a video that is used to promote a YouTube channel. The channel trailer should be attention-grabbing and give viewers an idea of what the channel is about.
Channel trailers are typically between 30 seconds and 1 minute in length and can be used to give viewers an overview of what the channel is about.

Think of it as a way to introduce yourself and your channel to potential new viewers. Your channel trailer should be creative and engaging and give viewers a taste of the type of content you produce. It’s also a good idea to include a call to action, such as asking viewers to subscribe to your channel.

Example

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