2FA Debug Tool

Generate OTP setup data, preview QR output, and validate authenticator codes.

1. Setup Label Inputs

Enter issuer/prefix and account identifier/suffix as shown in authenticator apps.

Company / Prefix

Identifier / Suffix

Select a strict app profile or Custom to choose your own algorithm/digits/period.

Authenticator App

Key Type

Algorithm

Digits

Period (seconds)

Create an otpauth URI and matching QR code output for authenticator app scanning.

otpauth URI Output

QR Preview

QR code preview will appear here

Current Code

Current code hidden by default. Reveal only when needed.

Manual Setup (Google Authenticator)

Account name

(from Identifier / Suffix)

Source: Identifier / Suffix

Issuer / Code name

(from Company / Prefix)

Source: Company / Prefix

Your key

Not generated yet

Source: Server-side Secret

Type of key

Time based

Source: Authenticator Options

Manual OTP input area with verification feedback.

Server-side Secret (Base32)

Secret hidden by default. Copy works without revealing.

OTP Code

Verification status: waiting for input