Frequently Asked Questions About OneTimeSecret

OneTimeSecret is a free, secure tool for sharing passwords, API keys, and confidential messages through encrypted, self-destructing links. Each secret link can only be opened once, ensuring your sensitive data is never stored permanently or exposed in chat logs and email threads. Unlike traditional messaging, OneTimeSecret uses zero-knowledge encryption — meaning even our own servers cannot read the contents of your secrets. Whether you need to share a Wi-Fi password with a colleague or send database credentials to a developer, OneTimeSecret gives you a secure, one-time link that vanishes after viewing.

OneTimeSecret uses AES-256 encryption, the same military-grade standard used by governments, banks, and financial institutions worldwide. When you enter a secret, it is encrypted before being stored on our servers. All data is transmitted over TLS 1.3 for secure transport. Our zero-knowledge architecture ensures that encryption keys are never stored alongside your data. This means even if our servers were compromised, your encrypted messages would remain unreadable. This approach sets OneTimeSecret apart from tools like Privnote, which may not offer the same level of encryption transparency.

No. Every secret link on OneTimeSecret can be viewed exactly one time. The moment the recipient opens the link, the encrypted content is decrypted, displayed, and immediately permanently deleted from our servers. The link then becomes completely invalid and cannot be used again by anyone. This strict one-time viewing policy is what makes OneTimeSecret a true self-destructing message service, giving you confidence that your password, API key, or confidential note cannot be re-accessed. Unlike Password Pusher, which allows configurable multi-view limits, OneTimeSecret enforces a hard single-view policy.

No account, email address, or personal information is required. OneTimeSecret is designed to be as frictionless as possible — just paste your secret, generate a link, and share it. This is a key advantage over tools like Bitwarden Send, which requires a Bitwarden account, and enterprise solutions like Vaulted or Hemmelig that may require organizational setup. With OneTimeSecret, you can share passwords securely in seconds without signing up for anything.

Secret links on OneTimeSecret remain active until they are viewed or until they reach their expiration time. You can set custom expiration periods when creating a secret, ranging from minutes to days. Once the timer runs out, the encrypted message is automatically and permanently purged from our servers — even if no one has viewed it. This expiration control gives you fine-grained power over the lifespan of your sensitive data, ensuring it never lingers online indefinitely. Combined with one-time viewing, this provides a double layer of protection that services like scrt.link and PrivateBin also aim for, though with different implementations.

Yes, OneTimeSecret is completely free to use. There are no hidden costs, premium tiers, or usage limits. Unlike some alternatives that offer freemium models with restricted features — where you might have to pay for password protection or longer expiration times — OneTimeSecret gives you full access to AES-256 encryption, self-destructing links, password protection, and expiration controls at no charge. Every feature is available to every user, always.

Both OneTimeSecret and Privnote offer self-destructing notes, but OneTimeSecret provides more robust security features. Privnote offers a clean, simple interface for sending notes that auto-delete after reading, but it lacks password protection for individual links and does not offer custom expiration controls. OneTimeSecret includes both of these features, along with transparent zero-knowledge AES-256 encryption. If you need basic self-destructing notes, Privnote works well. If you need additional layers of security — especially for sharing passwords or API keys — OneTimeSecret is the stronger choice.

Password Pusher allows multi-view links with configurable retrieval limits, making it suitable when multiple team members need to access the same credential. OneTimeSecret enforces strict one-time viewing — once a secret is read, it is gone forever. Password Pusher also offers a self-hosted option and API integrations, which appeal to enterprise users. However, if your priority is maximum security with guaranteed single access and permanent deletion, OneTimeSecret's hard one-view policy provides stronger guarantees against unauthorized re-access or credential leakage.

Bitwarden Send is a feature within the Bitwarden password manager ecosystem and requires a Bitwarden account to use. It is well-integrated with Bitwarden's vault and offers file sharing alongside text sharing. OneTimeSecret, by contrast, is a standalone tool that requires no account, no installation, and no commitment to a password management platform. If you already use Bitwarden, Send is a natural extension. But for anyone who needs to share a secret quickly — especially with someone who does not use Bitwarden — OneTimeSecret provides a faster, simpler, and more universal workflow.

Absolutely. OneTimeSecret is specifically designed for securely sharing passwords and sensitive credentials. Your password is encrypted with AES-256 encryption, delivered via a one-time link over TLS 1.3, and permanently destroyed after a single viewing. This is dramatically safer than sending passwords through email, Slack, Teams, or text messages, where credentials can persist in chat logs, inboxes, server backups, and search results indefinitely. For teams, developers, freelancers, and anyone handling sensitive access credentials, OneTimeSecret is purpose-built to eliminate the risk of password exposure.