Or tumblrs could go to @MastodonProject@twitter.com and be done with it?

RT @PartikoTeam@twitter.com

We're so excited to announce that we have successfully backed up 20K NSFW blogs! We also upgraded our storage and are on track to 50K! Come claim your old content now: https://welcome.partiko.app, we will keep you updated as soon as you're able to post on Partiko! #SaveTumblr