GoogleAuthenticator

.development

None of your information ever leaves your own web-browser.
But we must say: "For academic purposes only. Do not trust this website."

Step 1: Scan your QR Code

Tips: Hold steady, move your QR code closer/further, make sure this camera can see the entire QR code & is in-focus.

QR Code Value
QR Code Value
Data Parameter
Example: otpauth-migration://offline?data=CiMKCskCjMDVZlPV3OQSD015IFRlc3QgQWNjb3VudCABKAEwAhAB
Step 2: Decode QR Code into Protocol Buffer
Example: CiMKCskCjMDVZlPV3OQSD015IFRlc3QgQWNjb3VudCABKAEwAhAB
Protocol Buffer Contents
algorithm
counter
digits
issuer
name
secret
type
Step 3: Decode Protocol Buffer's Secret
Example: yQKMwNVmU9Xc5A==
Shared Secret
Shared Secret
Step 4: Get Time-Based-OneTime-Passcode from Shared Secret
Example: ZEBIZQGVMZJ5LXHE
Time-Based One-Time Password
TOTP