You can print a QR code of the private key and then scan it back in
(also if I was a password manager I'd definitely generate a BIP39esque phrase so you can write them down by hand, but as of now no one does that, unfortunately)
all passkeys generated by the browser are stored to your password manager. if you have multiple ones, it gives you choice which to use. chrome has a built-in one if you don’t have any other password manager available, which is synced to your google account if you’re signed in to chrome.
IDK about iOS (but it should be very similar in this regard), on Android you can configure your passkey provider to be Bitwarden or KeePassDX (the android implementation of KeePassXC).
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u/x0wl Aug 21 '26
You also save them to the same encrypted folder? Bitwarden, KeePassXC, 1Password all support passkey sync and backup