Crypto
TOTP / OTP Generator
Generate and verify time-based one-time passwords (TOTP) client-side.
Free online totp / otp generator — runs entirely in your browser. Nothing is sent to our servers.
Client-side only. Do not use generated secrets for production MFA without a proper vault.
Current code
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Refreshes in 30s
otpauth URI
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About this tool
Use this free browser-based totp / otp generator when you need a quick crypto utility without installing software. Processing stays on your device for privacy. Related searches: totp, otp, mfa, 2fa, authenticator.