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ToolsOTP Generator
web

OTP Generator

Debug TOTP/2FA

How to use it
1
Examples to try
3
Frequently asked questions
4
Continue with the next step
3
OTP GeneratorDebug TOTP/2FA
Start using the toolHow to use itSee examplesJump to FAQContinue with the next step
Start using the toolHow to use itExamples to tryFrequently asked questionsContinue with the next step

How to use it

9

Debug and generate Time-based One-Time Passwords (MFA codes) using a secret key.

Step 1

How to use it 1

Enter your Base32 secret to generate the current code.

What teams use it for

  • Implementing MFA for user accounts
  • Testing and debugging TOTP implementations
  • Server and VPN access authentication
  • Account recovery when authenticator lost
  • Debugging third-party TOTP integrations
  • Security testing of MFA systems
  • Emergency access code generation
  • Migrating TOTP secrets between devices

Examples to try

6

Example 1: Start with a small input to validate the format.

Examples to try

  • Example 1: Start with a small input to validate the format.
  • Example 2: Try a real-world payload to confirm the output.
  • Example 3: Compare the result against your expected structure.

Common pitfalls

  • Mixing formats or encodings in a single input.
  • Copying output without reviewing edge cases.
  • Skipping validation before sharing the result.

Frequently asked questions

4

Is it like Google Authenticator?

Is it like Google Authenticator?

Yes, it uses the same standard algorithm.

Is it free to use?

Yes, this tool is free to use.

What time step is used?

30-second steps by default.

Can I generate 8-digit codes?

Yes, choose the digits setting.

Open the tool

Continue with the next step

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