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OTP code generator

Generate standard TOTP or HOTP codes from a Base32 secret.

TOTP / HOTP · Base32
One-time code——
Usage guide and examples

OTP code generator

Generate standard TOTP or HOTP codes from a Base32 secret.

Check the input format and options with this example before using your own data. Random values, file sizes and presentation vary with the input and settings.

Example input and settings

HOTP · SHA-1 · 6 digits
GEZDGNBVGY3TQOJQGEZDGNBVGY3TQOJQ
counter: 0

What to check in the result

755224
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