I use KeePass and I only keep the database on my phone. When I need the database on my laptop, I use kdeconnect to share the file. Which basically uses sftp wit

I use KeePass and I only keep the database on my phone. When I need the database on my laptop, I use kdeconnect to share the file. Which basically uses sftp with a temporary key. There is no need to put anything on someone else's computer.