TOTP Extractor

Extract TOTP code from QR code

What is this for?

Most people use Google Authenticator as MFA. However if the phone is somehow inaccessible, you might get locked. There are some ways to recover account, and this TOTP tool provide yet another way by simulate what your phone app does.

How to use

Backup your QR code

You should have your QR code saved as a png image.

Extract TOTP code from QR code

docker run --rm -v "$(pwd)/example.png:/app/qrcode.png:ro" $(docker build -q https://github.com/shadow-paw/totp.git) /app/qrcode.png

Assume example.png is your QR code image located on current directory.

Example Output

Loading QR code from: /app/qrcode.png
url   : /example.com:username
issuer: example.com
code  : 123456