$hive Post Downloader is a simple application made by 
You can find a dapp here: https://blokz.github.io/hive-downloader/
and it is used to fetch all user posts and download them in markdown format.
Posts are fetched from indexeddb storage in your browser and then package into a single zip file.
After you unpack your archive you can use it outside of the Hive ecosystem for anything you like.
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From @cypherfox