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Offline OTP Generator

2FA codes that stay on this device

Generate TOTP and HOTP codes in the browser, save accounts in localStorage, and move backups with password-encrypted JSON. No uploads, no trackers, no network calls.

Live vault

Current OTP codes

0 saved

No OTP accounts saved yet.

Add an account

Paste a provisioning URI to fill the fields, or enter the Base32 secret manually.

Encrypted JSON backup

AES-GCM

Export uses PBKDF2-SHA-256 and a random salt before AES-GCM encryption. The password is never stored.

Privacy first

Offline OTP with browser-native crypto

Codes are produced with crypto.subtle.sign using HMAC and RFC 4226 dynamic truncation. TOTP uses your device clock; HOTP uses a local counter that advances only when you press Next.

Need more than a free tool?

PWN-ALL is a licensed cybersecurity firm — this tool is built by the same team that runs real-world penetration tests against infrastructure, web apps and APIs.

Request a penetration test