Generate QR codes instantly - completely private and client-side
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Your QR Code
Generate QR codes for authenticator apps (Proton Authenticator, Authy, Google Authenticator, Microsoft Authenticator, etc.). Enter your secret key below and scan with your 2FA app.
⚠️ Compatibility Note
Some authenticator apps (like Google Authenticator) may ignore these advanced options and use their default settings (SHA1, 6 digits, 30 seconds). Apps like Authy, Microsoft Authenticator, and 1Password typically support custom settings.