TOTP Viewer — Haruka Yamamoto

A lightweight and secure Firefox extension that allows you to generate TOTP (Time-based One-Time Password) codes directly in your browser, without the need for external applications or online services.

🔐 WHY USE TOTP VIEWER?

In a world where digital security is essential, two-factor authentication (2FA) has become mandatory to protect your online accounts. TOTP Viewer offers a minimalist and efficient solution for managing your authentication codes without needing to carry your smartphone or rely on heavy applications.

This extension was designed with a focus on simplicity, security, and privacy. All processing happens locally in your browser – your TOTP secrets never leave your device.

✨ KEY FEATURES

• ZERO EXTERNAL DEPENDENCIES
  Uses Firefox's native Web Crypto API to generate TOTP codes securely and efficiently, without the need for third-party libraries.
• MINIMALIST INTERFACE
  Clean and compact design that doesn't take up unnecessary space. Small 200x150px popup with only the essential elements.
• ONE-CLICK COPY
  Click the TOTP code to automatically copy it to the clipboard. Instant visual feedback confirms the action.
• VISUAL COUNTDOWN
  Progress bar showing exactly how much time is left before the code expires, ensuring you always use a valid code.
• SECURE STORAGE
  Saves your TOTP URL locally in your browser using the Storage API. Your data remains only on your device.
• OPTIMIZED PERFORMANCE
  Extremely lightweight extension with less than 5KB total. Does not impact browser performance.
• NO TRACKING
  Zero data collection, no analytics, no telemetry. Your privacy is respected.