TOTP Code Generator

Developer · v1.0.0 · runs fully in the browser, data never leaves your device

Never paste production 2FA seeds into any online tool

This page computes entirely in your browser and sends no requests, but on a shared computer — or with browser extensions — the secret can still be read. Use it to debug your own TOTP implementation, not for everyday code retrieval.

Base32 secret

DigitsPeriodAlgorithm

5s remaining

otpauth:// link (importable into authenticator apps)

otpauth://totp/mirrorangel:debug?secret=JBSWY3DPEHPK3PXP&digits=6&period=30&algorithm=SHA-1

Implements RFC 6238: HMAC(secret, floor(time/period)) with dynamic truncation. The defaults (SHA-1 / 6 digits / 30 s) match common authenticators.

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