In the next window, choose the type of your channel. If you want your channel to be public, you need to develop a link for it. In the screenshot below, itβs β/catmarketing.β If your selected link is unavailable, youβll need to suggest another option. 5Telegram Channel avatar size/dimensions Public channels are public to the internet, regardless of whether or not they are subscribed. A public channel is displayed in search results and has a short address (link). Unlimited number of subscribers per channel The optimal dimension of the avatar on Telegram is 512px by 512px, and itβs recommended to use PNG format to deliver an unpixelated avatar.
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