Bitwarden's secure notes are great.

admin

Send does not have a retention period, and it can only be saved for one month before being automatically deleted."
"I am talking about safe notes,"
Click the plus icon on the right-hand corner of Bitwarden.
In the "Type" section, do not select "Login", but choose "Safe Notes". You can save many pieces of information, and you can copy them all in one click without any retention period!
It is very useful.