Most passkey stores refuse to let you export them, and the real reason is vendor lockin. (They also did this with TOTP keys.)
Bitwarden is one of the few that don’t - you can export passkeys, although for now, there’s nothing to import them to unless you want to run a roll your own open source solution.
Bitwarden is one of the few that don’t - you can export passkeys, although for now, there’s nothing to import them to unless you want to run a roll your own open source solution.