🔐 TOTP Generator (Python + CustomTkinter)

A simple, stylish TOTP (Time-based One-Time Password) generator built using CustomTkinter and pyotp This tool lets you generate OTPs using your secret key — perfect for testing 2FA systems or verifying OTP functionality.

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🚀 Features

• Generates 6-digit OTPs using your TOTP secret key
• Countdown timer showing time left until OTP expires
• Dark theme with green accents
• Click on the OTP to copy it to clipboard
• Friendly error handling if input is empty or invalid

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📸 Screenshot

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📦 Installation

git clone https://github.com/Exoo25/totp-gen/
cd totp-gen
pip install -r requirements.txt
py main.py

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⚠️ Important:
For the TOTP codes to work correctly, your computer’s clock must be synced with internet time.
Even a small time difference (like 20–30 seconds) can cause OTP verification to fail.

🔧 To avoid issues, make sure automatic time synchronization is enabled on your device.