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Saltar al contenidoHash files and stamp them via OpenTimestamps calendars.
Full tool — runs in your browser. No sign-up required.
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Hash files and stamp them via OpenTimestamps calendars.
Developer utilities should be fast, copy-friendly, and predictable. Paste or drop input, get a reliable result — no CLI install required.
Use this free File Timestamps whenever you need a browser-local result without creating an account.
Open the File Timestamps 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.
LocalEsta herramienta procesa datos localmente en su navegador. Tentaco no recibe el contenido de su archivo para este modo.
Hash files and stamp them via OpenTimestamps calendars. Sí — runs locally in your browser.
Sí — free on Tentaco.
No — el procesamiento se ejecuta localmente en su navegador. Sus archivos y entradas no salen de su dispositivo a menos que la herramienta use explícitamente la red.
Generador de hash (SHA): gratis
Hashes SHA-1, SHA-256, SHA-384 y SHA-512 para cualquier texto, completamente del lado del cliente.
Certificate Inspector online — free
Inspect PEM X.509 certificates and fingerprints.
Secret Sharing online — free
Split and restore secrets with Shamir threshold shares.
Recovery Key Generator online — free
Generate printable vault-style recovery keys.
Policy Tester online — free
Analyze CSP, HSTS, CORS and Permissions-Policy headers.
Encrypted Notes online — free
Seal notes with libsodium secretbox and Argon2id.
Security Recipes online — free
Local checklists for passkeys, sealed notes and proofs.
WebAuthn Test online — free
Register and assert a passkey in this browser (demo).