Online secure storage for backup credentials

I have a bunch of backup credentials that are not needed in daily usage but are very important for accessing different systems in case of loss of main credentials.

For example:

* Backup access codes for sites with enabled 2FA
* Backup SSH keys for accessing servers
* Recovery pass-phrase for hardware crypto wallet

Most of the security tutorials written that it’s better to store such credentials in some secure offline place like a safe in your house or a …

backup credentials cybersecurity storage