How to save your Facebook password

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Three people asking how to keep a Facebook password to hand are often asking three unrelated questions, because the request covers three mechanisms that put different material in different places. Working out which one you use settles a lot: whether a stolen laptop costs you the account, whether you could recite the secret if asked, and whether anything survives a new phone.

Three mechanisms, one phrase

What Meta's prompt is really for

Convenience on one handset, and nothing wider. Accept it and returning to the app skips the typing; decline it and you type again next time. What Meta writes to the device to achieve that is not published, so the honest description is behavioural: whoever gets past the lock screen is one tap from reading your messages.

Two consequences follow. It is not a copy you can consult, because it was never built to be read by you. And it does not travel: a replacement phone starts from nothing, which is why people relying on the prompt alone end up in the recovery flow. Signing out withdraws it, and that screen usually asks whether the details should be kept.

Where a browser puts it, and what unlocks it

Browser stores hold the real characters, and each vendor guards them slightly differently. Chrome keeps entries against your Google account when you are signed in, which is what makes them appear on other machines; left signed out, they stay on that computer. Firefox lists its entries at about:logins and can put a primary password in front of them. Apple's platforms use the keychain, shared between devices on one Apple Account and surfaced as a Passwords app in recent releases.

The common thread is the gate. By default these stores are fastened to the operating-system account you are already logged into, so the protection they offer is the protection of your desk. An unlocked machine is an open list, and a household sharing one computer account shares one list of logins.

Why a manager beats both

The strongest argument is not encryption, it is refusal. A manager fills only on the domain it recorded, so a convincing counterfeit of the Facebook sign-in page gets nothing from it — the software declines to offer, and that silence is a warning your eyes would miss. Phishing, not cracking, is how most social accounts are lost, which makes domain matching the most valuable thing in this comparison.

• It seals the vault with something only you hold. The provider stores material it cannot read, so a breach at their end hands nobody your entries.
• It writes better secrets than you will. Generated length is free when nothing has to be memorised, and NIST's guidance pushes minimum lengths well past what people invent unaided.
• It is not tied to one browser. Entries follow you between Firefox, Safari, a work laptop and native apps.
• It holds the awkward extras. Two-factor recovery codes and security answers belong somewhere durable rather than on a note.
• It audits itself. Most managers flag reuse and entries seen in breach corpora, which is how you learn a password needs retiring.

The trade-off is real: one phrase now protects the lot, so it must be long, must exist nowhere else, and the vault deserves a second factor of its own.

How autofill behaves on each platform

• Android. A system-wide autofill service does the filling, and you choose whose in the device settings. A fingerprint or face check releases the entry into the app or the browser.
• iPhone and iPad. AutoFill draws from Apple's own store or any manager you have permitted, again behind a biometric check.
• Desktop. The browser fills from its own list without ceremony. A manager works through an extension and wants unlocking once per session, which is the friction that buys you the domain check.

Worth knowing on mobile: because the source is a system service rather than a feature of one app, saving the entry once covers the native app and the browser together — and a stale entry breaks both at once.

Finding, editing or removing one you already kept

Each store keeps its own list, and each asks you to authenticate before revealing a value.

• Chrome and Edge. The password section of the browser's own settings; Chrome's are also reachable from Google's password manager on the web once synced.
• Firefox. about:logins, where an entry can be edited, copied or deleted outright.
• iPhone, iPad and Mac. The Passwords app, or the equivalent section of system settings on older releases.
• A manager. Search the vault. Editing there propagates to every device it reaches, which is the reason to prefer it as the single copy.
• Meta's remembered login. Log out on that device, or remove the profile from the account picker on the sign-in screen.

Prune these after any change. A forgotten duplicate keeps volunteering an obsolete value, the login fails, and Facebook takes the blame for a stale entry in software it has nothing to do with — see changing the password itself for the order to do things in.

Why the offer never appears

Usually because something switched it off, not because the site is broken. Run through these in order:

• A private or incognito window, which retains nothing once it closes.
• A permanent exception recorded the day somebody chose never to save this site, which sits there until deleted by hand.
• Offering to save turned off in the browser, or no autofill provider selected in the phone's settings.
• A manager extension that has taken the prompt over, leaving the browser quiet by design.
• A sign-in performed inside another app's embedded browser, which often shares nothing with your real one.
• A managed work device whose policy forbids storing credentials.

When the prompt refuses to reappear, stop waiting and add the entry manually. Every one of these stores allows a hand-made record.

Common questions about stored logins

Is a browser good enough on a computer only I use?

It beats reuse and beats a note by the monitor, so it is not a bad answer. It is still second best: no domain check worth the name, and its lock is whatever protects your desktop session.

Could a visitor read the entry on my unlocked laptop?

Revealing a value normally demands the device password or a biometric check, which stops a casual snoop. It does not stop somebody who knows that password.

Does being remembered mean never signing in again?

No. Sessions lapse, Facebook reissues them, and a security event can end all of them at once. Something has to know the secret for those moments.

Should the vault hold my two-factor codes too?

Recovery codes, yes, since losing those is a common route to a locked-out account. Generating the rolling codes there too puts both factors in one container, so a separate authenticator app keeps them apart.

Can entries move out of a browser into a manager?

Yes. Browsers export their list and managers import it, after which switch the browser's own saving off so a second copy stops accumulating. Delete the exported file, which is plain text.

What about a passkey instead?

Meta has been rolling passkeys out for Facebook on mobile, and where one is offered it sidesteps this comparison: the key lives on the device, cannot be typed into a fake page, and leaves no string for anybody to steal.

In short: know which of the three you rely on, keep the readable copy in a manager rather than scattered across browsers, and prune the leftovers whenever the password changes. Convenience is what all three are selling. Only one also checks the address bar on your behalf.