Do I need a phone app for eBay 2 Step Verification?

No. eBay recommends phone apps like Google Authenticator or Authy, but all it checks is the six-digit code, and any standard authenticator produces it. The Authenticator extension reads the QR code straight off the eBay page and generates the codes in Chrome.

Is an authenticator app better than eBay’s text messages?

Yes, for most people. A text message can be delayed, fail abroad, or be redirected by someone who takes over your phone number. An authenticator app makes the code on your own device and works without signal.

What if I lose access to my authenticator?

eBay does not document backup codes, so the way back is a second copy of the account in another authenticator app, the extension’s automatic backups, or eBay customer service, who will verify your identity. Setting up the second copy takes a minute during setup; it cannot be done afterwards without the key.

Why does eBay say my code is wrong?

Usually the computer clock is off by a minute or more. Turn on automatic date and time and try the next code. If it still fails, the account may have been added from an old QR code — remove it from the extension and set the authenticator up again.

eBay Authenticator App on PC — Turn On 2 Step Verification

An eBay account holds your saved payment methods, your address and — for sellers — your payouts and your feedback, built up over years. A stolen password is enough to buy on your account or change where the money goes. With 2 Step Verification on, eBay also asks for the six-digit code from your authenticator, and an app cannot be intercepted with your phone number the way a text message can.

Turn on 2 Step Verification at eBay

eBay offers three kinds of second step — notifications in the eBay app, text messages and an authenticator app — and you switch between them from the same setting. If text messages are on now, choosing the authenticator replaces them.

Sign in at ebay.com on your computer.
Click your name in the top left corner and choose “Account settings”.
Select “Sign in and security”.
Select “Edit” next to “2 Step Verification”, then choose “Authenticator App”.
eBay shows a QR code. Leave it on the screen and add it to the extension as described below — then enter the six-digit code from the extension on eBay to confirm.

eBay’s own instructions

Add eBay to Authenticator

Install 2FA Authenticator from the Chrome Web Store and pin it to the toolbar, so its icon is one click away.
Leave the eBay page with the QR code open. Click the Authenticator icon, then “Add Account” → “QR Code” → “Scan QR from screen”.
The account appears in the list with a six-digit code that changes every 30 seconds. Rename it if you like — the name is only for you.
Go back to eBay and type the current code into the confirmation field. If it is about to expire, wait for the next one.
eBay confirms that two-factor authentication is on. From now on it will ask for a code when you sign in — click the extension icon and copy it.

No QR code, or it will not scan? Look for the option to enter a key manually on eBay’s setup screen, copy the key, and add it in the extension with “Add Account” → “Manual” → “Secret Key”.

Get 2FA Authenticator for Chrome — free

Plan a way back into eBay

eBay’s help pages do not describe backup codes for 2 Step Verification, so make your own way back before you need it. The simplest: while the QR code is on the screen, scan it with an authenticator app on your phone as well — both will show the same codes. Keep the extension’s automatic backups on, and keep your phone number and email address current in Sign in and security, because eBay customer service uses them to confirm it is you.

The code is not accepted?

Almost always the computer’s clock. The codes are calculated from the current time, so a clock that is a minute off produces codes that look right and are refused. Turn on automatic date and time in your system settings — step-by-step for Windows, macOS and Linux.

If the clock is right, check the key itself: paste it into the TOTP code generator and compare the code with the one in the extension. If they differ, the key was copied wrong — add the account again.

Questions

Do I need a phone app for eBay 2 Step Verification?: No. eBay recommends phone apps like Google Authenticator or Authy, but all it checks is the six-digit code, and any standard authenticator produces it. The Authenticator extension reads the QR code straight off the eBay page and generates the codes in Chrome.
Is an authenticator app better than eBay’s text messages?: Yes, for most people. A text message can be delayed, fail abroad, or be redirected by someone who takes over your phone number. An authenticator app makes the code on your own device and works without signal.
What if I lose access to my authenticator?: eBay does not document backup codes, so the way back is a second copy of the account in another authenticator app, the extension’s automatic backups, or eBay customer service, who will verify your identity. Setting up the second copy takes a minute during setup; it cannot be done afterwards without the key.
Why does eBay say my code is wrong?: Usually the computer clock is off by a minute or more. Turn on automatic date and time and try the next code. If it still fails, the account may have been added from an old QR code — remove it from the extension and set the authenticator up again.

Your codes, one click from the login page

Authenticator keeps your 2FA codes in the browser, on your device only — free, open source, no account and no phone needed. Local backups and optional password protection come built in.