Authzilla Authenticator

Authzilla is a privacy-first authenticator for managing your two-factor authentication (2FA) codes. It keeps everything local, secure, and under your control — with no cloud, no accounts, and no tracking. Your data never leaves your device. Nothing is uploaded, shared, or stored online. Built for people who take security and privacy seriously. Security and Privacy: - Optional privacy lock using your device biometrics or PIN - Blurred interface while locked to protect codes from shoulder surfing - Local-only by default — no ads, no tracking, no analytics - Encrypted backups using AES-256 with Argon2 password protection - Export QR codes as encrypted PDF files for safe offline storage - NFC tag support to move your encrypted vault without using the internet Organization and Usability: - Organize accounts into groups for work, personal, or shared projects - Manual drag-and-drop ordering or A–Z sorting by account or issuer - Fast search across all accounts or inside specific groups - Clean card layout with time-remaining indicator and next-code preview - One-tap copy for fast and reliable logins Import and Migration: - Scan QR codes directly with your camera - Import from images, files, or NFC tags - Supports Google Authenticator migration payloads - Bulk import helper that automatically creates missing groups - Compatible with multiple formats including Authzilla, 2FAS, Aegis, Authy, JSON, XML, and standard OTP URIs Backup and Export: - Create encrypted backups to local files - Export selected accounts as QR codes, encrypted PDF, file, or NFC tag - Optional password confirmation for all imports and exports to keep secrets protected NFC Technical Details: - Supported NFC tags: NTAG 213, NTAG 215, NTAG 216 - Supported secure tags: MIFARE DESFire EV1, EV2, EV3, and MIFARE Classic - Required space per account: approximately 50 bytes Design and Experience: - Modern Material 3 design with light and dark themes - Keyboard-friendly dialogs and built-in group search - Offline-first for fast, reliable access anywhere - Multiple language support Authzilla focuses on one simple promise: Your 2FA stays fully yours — always offline, always encrypted, and always under your control. Lock the app with biometrics, organize your accounts into groups, import from QR, image, file, or NFC, and keep encrypted backups so your authentication data is never tied to a cloud or an account.