No "alternative" to file2hd will allow you to download from Netflix, Amazon Prime, Disney+, or HBO Max (Max). file2hd never could do this either. These platforms use Widevine L1/L3 DRM.
To download from streaming services, you need specialized (and legally gray) software like StreamFab or AnyStream. These are not "alternatives" to file2hd; they are a different category of software entirely. Expect to pay $100+ for lifetime access to those tools. file2hd alternative
Use these when you want to download entire pages, folders, or sites (including HTML, CSS, images) for offline browsing or analysis. No "alternative" to file2hd will allow you to
wget (command-line)
SiteSucker (macOS, iOS)
If sending URLs to third-party web apps is unacceptable, use local tools. wget (command-line)
Self-hosted web scrapers (deploy your own instance of a service)