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Send Secure And Confidential Messages
Note Secured And Locked!
Share this 5-digit PIN with the recipient:
This link can only be viewed once. It will self-destruct permanently after reading.
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Enter the 5-digit PIN or custom code you received below.
Total notes destroyed::
765
notes read and destroyed so far
Frequently Asked Questions About Secure One-Time Notes
Everything you need to know about privacy, end-to-end encryption, and how our self-destructing links work.
A one-time note is an ephemeral online tool used to transfer sensitive information like passwords, API keys, and private credentials. Notes are strongly encrypted and self-destruct permanently after being read once.
Simply paste your text into Zinlo, generate an encrypted link or a 5-digit PIN, and forward it to the recipient. Once opened, the note is irreversibly purged from our database.
Yes. The moment the recipient clicks "Reveal Message", the record is hard-deleted from our physical database tables immediately. No cache, archive, or backup remains.
No. Messages are stored encrypted at rest. The key derivation includes token components known only to the link URL, preventing the server from inspecting the payload prior to user retrieval.
We employ military-grade AES-256-CBC encryption combined with HKDF key derivation and a unique cryptographically secure 16-byte initialization vector (IV) for each message.
Chat apps preserve messages in cloud backups, recipient devices, and chat logs where they remain vulnerable to device theft or compromised accounts. Zinlo guarantees zero historical retention.
No. Zinlo operates on a strict zero-knowledge, fully anonymous model. No registration, email, phone number, or tracking cookies are required.
The message stays encrypted in our database until retrieved, or until it is automatically purged by our routine security lifecycle cleanup policies.
Try accessing the link or PIN yourself. If the message has already been viewed, you will receive an "Expired or not found" notification, confirming its total destruction.
While currently optimized for text payloads, you can safely paste API tokens, SSH keys, configuration files, or Base64-encoded strings directly into the note box.
A 5-digit PIN is a short, memorable numeric code. Instead of copying long URLs, you can quickly convey the digits via phone call, SMS, or meeting chat for instant retrieval.
Custom slugs allow you to personalize the URL (e.g., site.com/my-secret) to make sharing more contextual and intuitive.
The QR code allows mobile users to scan and open the encrypted note directly using their phone camera without manual typing.
The character ceiling is regulated by server environment variables, easily accommodating large text documents, certificates, and multi-paragraph confidential records.
This alert appears when the link URL is mistyped, has already been opened and destroyed by the recipient, or was never stored in the database.
