LocalBox2FA：Browser Local 2FA Authenticator

LocalBox2FA is a lightweight, privacy-first TOTP authenticator that lives right in your browser. Generate two-factor (2FA) verification codes for any Google Authenticator–compatible account without picking up your phone — everything runs locally on your device. 🔒 100% LOCAL & PRIVATE Codes are computed entirely on your device using the Web Crypto API (RFC 6238). Your secrets are stored in your browser's own local storage and are never uploaded to any server. TOTP generation works fully offline. KEY FEATURES • Instant codes — paste a Base32 secret or an otpauth:// link and get a code immediately • Saved accounts — store your 2FA secrets and view live, auto-refreshing codes with a 30-second countdown • One-click copy — click any saved account to copy its current code • Organize — search, rename and delete accounts at any time • Full compatibility — supports SHA-1 / SHA-256 / SHA-512, 6–8 digit codes and custom periods, so it works with virtually every service that offers TOTP 2FA • Optional vault — set a master password and your secrets are encrypted at rest with PBKDF2 (600,000 iterations) + AES-GCM-256, locked every time the popup opens • Light & dark mode — follows your system theme • Export, import and clear-all are always free — your data, your control PREMIUM • QR transfer — display a QR code for any saved account and scan it with your phone's authenticator app to move a secret to another device MINIMAL PERMISSIONS The extension only asks for the "storage" permission. No background scripts, no tracking, no analytics. Never lock yourself out again — keep your 2FA codes one click away. Official website: https://annmax1983.com/extensions/localbox2fa