Passkeys vs. Passwords: What to Do First

If you have ever stared at a login screen and watched your browser offer to create a passkey instead of saving yet another password, you have met the quiet revolution already happening on your devices. Apple, Google, and Microsoft have spent the last two years pushing passkeys into their operating systems, and more than 400 million accounts now have at least one passkey enabled according to the FIDO Alliance. The pitch is simple: no password to remember, no password to steal, and phishing becomes nearly impossible.

Here is the part nobody tells you. Deleting your old passwords the moment you create a passkey is one of the fastest ways to lock yourself out of an account permanently. Passkeys are tied to devices and ecosystems in ways that bite hard when a phone drops in a lake, a laptop dies, or you switch from iPhone to Android. The transition is worth doing. It is just not a one-click upgrade.

In this guide I will walk through what passkeys actually are, how they stack up against passwords and password managers in real use, a worked migration example with real numbers, and the specific steps to take before you delete a single login. I have been running passkeys as my primary auth for about 14 months across roughly 30 accounts, so this is written from scar tissue, not spec sheets.

Key Takeaways

Never delete a password right after creating a passkey. Keep both for at least 30 days while you confirm the passkey works across all your devices.

Passkeys beat passwords on phishing resistance and convenience, but they are harder to recover and still inconsistent across platforms.

Register at least two passkeys per critical account (phone plus a hardware key or second device) so one lost device never locks you out.

Export and back up your password vault before migrating anything. A clean backup is your safety net.

Not every service supports passkeys yet, so a good password manager stays essential for years to come.

Treat recovery codes and account recovery methods as the real foundation of your login security.

What Are Passkeys, and How Do They Actually Work?

A passkey is a pair of cryptographic keys that replaces your password for a specific website or app. One key (the private key) stays locked on your device and never leaves it. The other key (the public key) lives on the website's server. When you log in, your device proves it holds the private key without ever transmitting a secret that could be intercepted.

In practice, logging in with a passkey means unlocking your device the way you already do: Face ID, a fingerprint, or a PIN. There is no string of characters to type, remember, or paste.

Three properties make passkeys genuinely different from passwords:

Phishing resistance. A passkey is bound to the real domain. If you land on a lookalike site, the passkey simply will not offer itself, because the domain does not match.
No shared secret. There is nothing stored on the server that a breach can leak and reuse. A stolen database of public keys is useless to an attacker.
Built-in two-factor. The passkey combines something you have (the device) with something you are or know (biometric or PIN) in a single step.

Most passkeys today are synced passkeys. Apple syncs them through iCloud Keychain, Google through its Password Manager, and third parties like 1Password and Bitwarden sync their own. That syncing is what makes passkeys usable across your devices, and it is also where the compatibility headaches start.

Passkeys vs Passwords vs Password Managers: An Honest Comparison

The real question most people have is not "are passkeys good" but "should I switch, and from what?" Here is how the three main approaches compare on the criteria that matter day to day.

Criteria	Plain Passwords	Password Manager	Passkeys
Phishing resistance	None	Partial (autofill checks domain)	Strong (domain-bound)
Login speed	Slow, manual typing	Fast, one click	Fastest, biometric
Recovery if device lost	Easy (you know it)	Easy (master password)	Hard (depends on sync/backup)
Works everywhere	Yes	Yes	No, support still growing
Breach exposure	High (reused secrets)	Medium (encrypted vault)	Very low (no shared secret)
Cross-ecosystem portability	Full	Full	Limited (locked to platform)

The takeaway: passkeys win on security and speed, but passwords and a solid manager still win on universality and recovery. That is exactly why the smart move is to run both for a transition period rather than treating this as a cutover.

If you are rethinking your whole credential setup, it is also worth revisiting your manager itself. I covered the mechanics of that in detail in how to safely switch password managers without losing data, and the same backup discipline applies to passkey migration.

A Worked Example: Migrating 47 Logins the Safe Way

Let me make this concrete. Say you have 47 saved logins across 12 services you actually use regularly. Here is how that breaks down in a typical audit, and what to do with each tier.

Tier 1 — Critical accounts (8 of them): email, bank, Apple/Google ID, password manager, main cloud storage, primary work SSO. These are the accounts that can unlock everything else.

Tier 2 — Important accounts (15): shopping sites with saved cards, social media, your domain registrar, hosting panel.

Tier 3 — Low-stakes accounts (24): forums, newsletters, one-off signups.

Here is the migration math over a realistic 30-day window:

Days 1–3: Add passkeys to your 8 Tier 1 accounts, but keep every password intact. For each account, register two passkeys where possible: one on your phone, one on a hardware key or second device.
Days 4–30: Live with it. Every time you log in, use the passkey. If an account trips up on any device, you still have the password as a fallback and you have lost nothing.
Day 30: For the 6 of 8 Tier 1 accounts where the passkey worked flawlessly on every device, you can retire the password only if you have printed recovery codes stored offline.
Ongoing: Convert Tier 2 accounts opportunistically. Leave Tier 3 accounts on strong, unique passwords in your manager. The payoff of converting a newsletter login is near zero.

In my own run, 2 of 8 critical accounts had a passkey quirk I never would have found without testing. One refused to offer the passkey on a Linux machine entirely, and another's passkey broke after a browser profile reset. If I had deleted those passwords on day one, I would have been locked out of the exact accounts I least wanted to lose.

What to Do Before You Delete Any Password

This is the heart of the article. Deleting a password should be the last step, taken only after a series of checks. Here is the checklist I now run for every account.

1. Back up your entire vault first

Before touching anything, export your password vault to an encrypted file and store it somewhere offline. If something goes wrong mid-migration, a clean export means you can restore in minutes. Treat this backup the way you would treat a digital legacy and data-handover plan for your most important accounts: deliberate, documented, and recoverable by the right person.

2. Register at least two passkeys per critical account

The single biggest mistake is having exactly one passkey on exactly one device. Lose the device, lose the account. Add a passkey on your phone and a hardware security key (a YubiKey runs about 25 to 60 USD), or a second device like a tablet.

3. Confirm the passkey works on every device you own

Log out and log back in with the passkey on your phone, laptop, tablet, and work machine. Passkeys that sync through iCloud will not appear on a Windows machine unless you use cross-device sign-in via QR code and Bluetooth, which is slower and sometimes flaky.

4. Download and store recovery codes offline

Almost every serious service offers one-time recovery codes. Print them. Put them in a drawer or a safe. These are your parachute if both your passkey and password are gone.

5. Verify your account recovery methods are current

Check that recovery email and phone number on each critical account are accurate and still under your control. An outdated recovery email on your main account is a silent single point of failure.

6. Only then, consider removing the password

Even then, I would argue you rarely need to delete the password. Keeping a long, unique, manager-stored password alongside a passkey costs you nothing and buys you a fallback. The main case for deletion is a weak or reused password you should have retired years ago.

Where Passkeys Still Fall Short (and Why Your Manager Isn't Going Anywhere)

Passkeys are the future, but the present is messy. Here are the gaps I run into most.

Inconsistent support. Many banks, government portals, and legacy enterprise apps have no passkey option at all. A password manager still carries the long tail of your digital life.
Ecosystem lock-in. Moving from an iPhone to an Android phone does not seamlessly carry Apple-synced passkeys. The FIDO Credential Exchange spec is improving this, but adoption is uneven in 2026.
Shared and family accounts. Passkeys are personal by design, which makes shared logins (a household streaming account, a team tool) awkward.
Recovery friction. Lose access to the ecosystem that syncs your passkeys and recovery can turn into a multi-day support ticket.

None of this is a reason to avoid passkeys. It is a reason to keep a well-organized password manager as your backbone and layer passkeys on top of it. If you run your own websites, the same defense-in-depth logic applies to the server side, which is where tools like SiteGuard Pro and dedicated WordPress protection earn their keep.