Google offers a tool called "Takeout". It lets you pick and choose anything you want to download and archive including email, YouTube videos, and photos
Here's how to use it
Go to this URL: https://takeout.google.com/settings/takeout while you logged into your Google account. You will see a list of Google services. Click on a services to fine tune which data you want to save. And use the toggle switches to choose what to include in your archive. Click next and you can pick the file type and max size of each file.