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跳至内容Seal notes with libsodium secretbox and Argon2id.
Full tool — runs in your browser. No sign-up required.
加载中…
Seal notes with libsodium secretbox and Argon2id.
Developer utilities should be fast, copy-friendly, and predictable. Paste or drop input, get a reliable result — no CLI install required.
Use this free Encrypted Notes whenever you need a browser-local result without creating an account.
Open the Encrypted Notes page — no registration required.
Paste, upload, or configure your input.
Review the live result and adjust options.
Copy or download the output to your device.
Processing is designed to stay in your browser session unless a mode explicitly notes a network call.
本地该工具在您的浏览器中本地处理数据。 Tentaco 在此模式下不会收到您的文件内容。
Seal notes with libsodium secretbox and Argon2id. Open the tool in your browser — no account or install required.
Yes — runs locally in your browser.
No — processing runs locally in your browser. Your files and inputs do not leave your device unless the tool explicitly uses the network.
Recovery Key Generator online — free
Generate printable vault-style recovery keys.
Secret Sharing online — free
Split and restore secrets with Shamir threshold shares.
WebAuthn Test online — free
Register and assert a passkey in this browser (demo).
Passkey Inspector online — free
Decode WebAuthn clientDataJSON and authenticatorData locally.
Base58编码器
编码和解码 Base58（比特币字母表）。
File Timestamps online — free
Hash files and stamp them via OpenTimestamps calendars.
Bcrypt Hash — 开发密码哈希
生成具有可调整成本因子的 bcrypt 哈希值，用于身份验证测试和固定装置。
Certificate Inspector online — free
Inspect PEM X.509 certificates and fingerprints.