Workspace / Check a two-step sign-in code (TOTP)
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Check a two-step sign-in code (TOTP)

Check whether a six- or eight-digit code matches the secret key and settings you entered.

Input

Up to 200 KB

Result

Your result will appear here.

 Processed on your device · Content is not stored.


Instructions & limits
How to use
Check whether a six- or eight-digit code matches the secret key and settings you entered.
  1. Enter the private key and the code shown by your authenticator app.
  2. Choose the code length and settings used by your service.
  3. A match only checks the calculation; it does not sign you in.
When to use this tool
Check whether a six- or eight-digit code matches the secret key and settings you entered.
Example input
GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ
Limit
Processes supplied input only. Review the output and the units or assumptions before use.
Frequently asked questions
Where is my data processed?
No. Your content is processed on your device. We do not receive your input or results.
Do I need an account?
No. Use the tools for free without signing in. Favorites and recent tools are stored only in your browser.
Does this work on mobile?
Yes. This tool supports phones and modern browsers. 
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