TOTP / 2FA Generator

Free

Generate and verify TOTP 2FA codes from a Base32 secret, build otpauth:// URIs and QR codes for authenticator apps.

Secret & settings

otpauth://totp/FlowingDev%3Aada%40example.com?secret=JBSWY3DPEHPK3PXP&issuer=FlowingDev&algorithm=SHA1&digits=6&period=30

Processed locally in your browser — nothing leaves your device.