Free online TOTP verification code generator, similar to Google Authenticator, with multi-secret management.
TL;DR: Free online TOTP generator following RFC 6238, supporting SHA-1/SHA-256, 6/8 digit codes, and 30/60 second steps. Secrets are stored only in your browser.
This tool runs entirely in your browser. Open DevTools → Network panel and search your input — it appears in no request.
FAQ
Completely free, no registration required. Generate RFC 6238 TOTP codes locally in your browser — unlimited usage.
Supports SHA-1 and SHA-256 algorithms, 6 or 8 digit codes, 30 or 60 second time steps, and you can manage multiple secrets with labels.
No. All TOTP computations run locally in your browser. Secrets are stored only in your localStorage and never sent to any server.
It works as a browser-based TOTP generator following the same RFC 6238 standard. However, for important accounts we recommend keeping a mobile authenticator app as a backup.
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