There is currently not a way within Confluence Cloud to hide the "Created by" text.
It has been suggested in a feature request that you're welcome to vote on and watch in order to see if there is any progress on this request:
Let us know if you have any questions about that.
Hello Community, Jessica here from the Confluence product marketing team! Today I wanted to get your takes on project planning –– what works, what doesn’t, how do you know if you’re doing it r...
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