Passwords & Auth100% In-BrowserOne-Time Codes
OTP Generator
Generate secure numeric and alphanumeric One-Time Passwords with customizable expiration windows.
Real-time processing·No server uploads·Zero telemetry
otp-generator
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OTP Digits6 digits
How to Use OTP Generator
01
Choose digit length (4, 6, or 8 digits).
02
Select numeric or alphanumeric format.
03
Generate single or batch OTP codes.
Privacy Guarantee
OTP Generator runs 100% client-side in your web browser. Your data, passwords, keys, and files are processed using the Web Crypto API and never transmitted to any server. Zero telemetry, zero storage, zero cloud processing.
Frequently Asked Questions
Are these OTPs cryptographically secure?
Yes! Each digit is sampled from uniform cryptographic random byte streams.
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