TOTP Generator
Generate and verify RFC 6238 TOTP codes locally with otpauth URI.
Interactive controls load with JavaScript. Processing stays in your browser.
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How to use
- 「生成密钥+URI」：得到 Base32 密钥与 otpauth:// 链接。
- 「生成当前码」：填入密钥显示当前 6/8 位码与剩余秒。
- 「校验」：允许 ±1 时间窗比对。
- 可用「二维码生成」粘贴 otpauth URI 出图；密钥勿上传。
FAQ
Does TOTP Generator upload my data?
No. TOTP Generator runs locally in your browser and does not upload content to www.518882.com or third-party APIs.
Do I need an account?
No. Open and use — no signup, login, or paywall. Open TOTP Generator and use it — no signup, login, or paywall.
How is this different from upload-based tools?
Tools run locally in your browser; content is not sent to our servers for processing — suited to private text and drafts.
Are there limits?
Limited by device memory and the browser; very large inputs may slow the page. There is no account quota.