Rediff Authenticator generates 6-digit verification codes every 30 seconds based on the RFC 6238 standard. It uses a shared secret key provided during multi-factor authentication (MFA) setup. Once configured with your Rediffmail account, the app works offline and does not require an internet connection.

Key Features:
Generates TOTP codes using the RFC 6238 standard.
Works without internet access after setup.
Add accounts by scanning a QR code or manually entering a secret key.
Backup and restore tokens locally during device migration.