Random TOTP secret generator
Create a new Base32 secret (20 bytes / 160 bits by default) for enrolling an authenticator. Copy it into your app and into the TOTP generator if you want it saved in a cookie on this device.
Related 2FA tools
TOTP generator
Live 6-digit 2FA codes from a Base32 secret, with optional device-saved accounts.
TOTP verifier
Check whether a code matches a secret within a clock-drift window.
Base32 encoder
Encode or decode RFC 4648 Base32 used by authenticator apps.
otpauth URI builder
Build a standard otpauth://totp URI for authenticator apps.
Online authenticator
How an online TOTP tool compares with Google Authenticator.