Exactly, I always refuse to add a passkey because I'm afraid I won't be able to easily login again. Also, I don't want to be locked in to a vendor.
use an open source password manager that supports them.
as others mentioned, there's BitWarden (cross-platform, self-hostable), but if you want something simple there's KeePassXC (and you can put the store file on a dropbox shared folder)
You can use a passkey that's tied to a Yubikey.
You can register multiple passkeys for a single user, there is no lock in
use an open source password manager that supports them.
as others mentioned, there's BitWarden (cross-platform, self-hostable), but if you want something simple there's KeePassXC (and you can put the store file on a dropbox shared folder)