Just gone through this whole process myself. My god does it suck. Another thing you’ll want to be aware of around Takeout with Google Photos is that the photo metadata isn’t attached as EXIF like with a normal service, but rather it’s given as an accompanying JSON file for each image file. I’m using Memories for Nextcloud, and it has a tool that can restore the EXIF metadata using those files, but it’s not exact and now I have about 1.5k images tagged as being from this year when they’re really from 2018 or before. I’m looking at writing my own tool to restore some of this metadata but it’s going to be a right pain in the ass.