Password | Facebook

No. That would be instant corporate suicide. Facebook's revenue comes from ads, not data theft.

Change your password immediately and check Settings → Security and Login → Where you're logged in – log out all devices. facebook password

Facebook constantly scans the dark web. If your password appears in a leak from another site and you reuse passwords, Facebook will force you to change your password upon login. facebook password

No. Emojis are not supported.

Moderately safe. Chrome's password manager is decent, but a dedicated password manager is better. facebook password

Absolutely not. Facebook uses salted hashes, meaning even Facebook employees cannot see your password.

You cannot. You must first recover the password using "Forgot password?" then log out all devices.