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TOTP & 2FA Code Generator

Generate rolling six-digit authenticator codes from a Base32 shared secret using Web Crypto. Secret processing is fully client-side.

TODO-i18n: this tool's instructions and FAQs are currently available in English.

ツール操作エリア

アカウント不要

Inputs and generated outputs stay in this browser. Files and secrets are not uploaded to SiteIndex.

Base32 shared secret

Enter a secret to see a rolling six-digit code. Secret processing and code generation are fully client-side.

TOTP Generatorとは

Generate rolling six-digit authenticator codes from a Base32 shared secret using Web Crypto. Secret processing is fully client-side.

使い方

Generate rolling six-digit authenticator codes from a Base32 shared secret using Web Crypto. Secret processing is fully client-side.

よくある用途

Generate rolling six-digit authenticator codes from a Base32 shared secret using Web Crypto. Secret processing is fully client-side.

利用上の注意

Generate rolling six-digit authenticator codes from a Base32 shared secret using Web Crypto. Secret processing is fully client-side.

よくある質問

TOTP Generatorとは: Generate rolling six-digit authenticator codes from a Base32 shared secret using Web Crypto. Secret processing is fully client-side.