Google Auth Extractor

/ why

Why does this tool exist?

Google Authenticator exporta las cuentas en un formato propietario (otpauth-migration://) que ninguna otra app puede leer directamente. Cada código QR contiene hasta 10 cuentas. Esta herramienta decodifica esos QR y extrae las claves TOTP para que puedas importarlas donde quieras.

Google Authenticator exports accounts in a proprietary format (otpauth-migration://) that no other app can read directly. Each QR code holds up to 10 accounts. This tool decodes those QR codes and extracts the TOTP secrets so you can import them anywhere.

/ features

Everything it includes.

Paste otpauth-migration:// URL directly

Upload an image or screenshot of the QR

Scan a screen region with your mouse

Accumulates accounts across scans

Automatic deduplication

Copy Issuer, Name or Secret

Spanish and English interface

Clear the list to start fresh

Export to TXT, Aegis, 2FAS, CSV

100% local — no data leaves your computer

/ screenshots

The tool in action.

/ installation

Installation.

1. Clone the repository

git clone https://github.com/joseqwrtt/Google_auth_extractor.git
cd Google_auth_extractor

📌 Requirements: Python 3.10 or higher. During installation on Windows, check "Add Python to PATH".

2. Install dependencies

pip install customtkinter pillow pyzbar opencv-python mss

🐧 Linux / macOS: You also need the native zbar library:

# Ubuntu / Debian
sudo apt install libzbar0

# macOS
brew install zbar

/ usage

How to run it.

Run

python Google_auth_extractor.py

💡 Windows with multiple Python versions:

C:\Python311\python.exe Google_auth_extractor.py

Or create a run.bat file:

python "%~dp0Google_auth_extractor.py"
pause

/ guide

Step by step.

01

Export from Google Authenticator

Open Google Authenticator → menu (⋮) → Transfer accounts → Export accounts → select the accounts → one or more QR codes will appear (max 10 accounts per QR).

02

Import into the app (pick a mode)

🔗 URL mode

Scan the QR → copy the otpauth-migration://offline?data=... URL → paste it → Extract accounts

🖼️ Image mode

Screenshot of the QR → Select image → Read QR and extract

📷 Screen scan mode

Show the QR → Select region → draw a rectangle → automatic extraction

💡 If you have more than 10 accounts, repeat the process for each QR. Accounts accumulate and duplicates are ignored.

03

Export

Once all your accounts are in the list, click the button for the format you need:

TXT · .txt Aegis · .json · Android 2FAS · .2fas · Android/iOS CSV · Bitwarden, 1Password

/ dependencies

What it uses under the hood.

customtkinter — graphical interface pillow — image reading pyzbar — QR decoding (primary) opencv-python — QR decoding (fallback) mss — multi-monitor capture

/ help

Troubleshooting.

The screen scanner doesn't work

pip install pillow pyzbar opencv-python mss
sudo apt install libzbar0   # Ubuntu
brew install zbar           # macOS

Multiple Python versions on Windows

C:\Python311\python.exe -m pip install customtkinter pillow pyzbar opencv-python mss

Error importing pyzbar on Windows

pyzbar requires native libraries. If it fails, opencv-python is used as an automatic fallback.

/ security

No internet connection.

No network connections

TOTP secrets stay on your computer

Full source code available for audit