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콘텐츠로 건너뛰기Plain-language explainers for passkeys, CSP, OTS and more.
Full tool — runs in your browser. No sign-up required.
로드 중…
Plain-language explainers for passkeys, CSP, OTS and more.
Developer utilities should be fast, copy-friendly, and predictable. Paste or drop input, get a reliable result — no CLI install required.
Use this free Explain Mode whenever you need a browser-local result without creating an account.
Open the Explain Mode 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.
로컬이 도구는 브라우저에서 로컬로 데이터를 처리합니다. Tentaco는 이 모드에 대한 파일 콘텐츠를 수신하지 않습니다.
Plain-language explainers for passkeys, CSP, OTS and more. 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.
Security Recipes online — free
Local checklists for passkeys, sealed notes and proofs.
Passkey Inspector online — free
Decode WebAuthn clientDataJSON and authenticatorData locally.
Policy Tester online — free
Analyze CSP, HSTS, CORS and Permissions-Policy headers.
Security Recipe Builder online — free
Compose local security recipe pipelines from building blocks.
WebAuthn Test online — free
Register and assert a passkey in this browser (demo).
Certificate Inspector online — free
Inspect PEM X.509 certificates and fingerprints.
File Timestamps online — free
Hash files and stamp them via OpenTimestamps calendars.
Secret Sharing online — free
Split and restore secrets with Shamir threshold shares.