@jorval Nicht getestet, aber die Features hören sich vielversprechend an:
https://github.com/kensanata/mastodon-archive 
GitHub - kensanata/mastodon-archive: Archive your statuses, favorites and media using the Mastodon API (i.e. login required)
Archive your statuses, favorites and media using the Mastodon API (i.e. login required) - kensanata/mastodon-archive
Jorval
Sebastian