Does this tool upload my data?
No backend upload is used by this browser-first tool.
Generate time-based one-time password codes for testing.
Generate time-based one-time password codes for testing.
Ready tools are shown first.
Generate TOTP codes from Base32 secrets for testing authentication flows in the browser.
No backend upload is used by this browser-first tool.
Yes. Output can be copied after processing where relevant.
Input may be empty, malformed, too large, or unsupported for the selected operation.