Desktop‑2FA – offline open‑source TOTP authenticator for desktop

Show HN: Desktop‑2FA – offline open‑source TOTP authenticator for desktop

Based, Desktop‑2FA – offline open‑source TOTP authenticator for desktop works in show hn launch.

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I’ve been building a fully offline, local‑first TOTP authenticator for desktop (Windows/macOS/Linux). No cloud, no sync, no telemetry, no external dependencies. Everything stays on the machine.Why I built it: Most 2FA apps are mobile‑only, closed‑source, or rely on cloud sync. I wanted something transparent, auditable, and desktop‑native — especially for people who work on multiple machines or air‑gapped environments.Key features:Local‑only storage (AES‑GCM + Argon2)Encrypted vault with no external servicesCross‑platform desktop appImport/export with encrypted backupsOpen‑source, MIT licensedDesigned to be simple, predictable, and auditableWhat’s new: The project was recently accepted into t

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Website: desktop-2fa.lukasz-perek.workers.dev