K9Crypt is described as 'Project where users can create and share encrypted messages without creating an account. There is no limit on message creation and messages are automatically deleted every 2 hours to ensure security' and is an website in the development category. There are more than 10 alternatives to K9Crypt, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Heroku and Docker apps. The best K9Crypt alternative is vanish.so, which is both free and Open Source. Other great sites and apps similar to K9Crypt are BurnChat, Retriever, One-Time Secret and cryptgeon.
VaultNote is a modern, privacy-focused tool for sharing sensitive data like passwords and API keys. Unlike traditional services, all encryption (AES-256) happens directly in the user's browser (Client-Side Encryption) before any data leaves the device.
OnlyU is a free, secure platform for sending self-destructing messages and passwords. No signup is required, and all messages are end-to-end encrypted by default. Once read, messages are permanently deleted.
Collect client credentials securely, use them when needed, then make them disappear. Zero-knowledge encryption, full audit trails. A password manager for secrets that aren't yours.
Enter a password or confidential message and hide it behind a link that can be accessed only once! Copy your link and send it to the recipient (customer, friend, colleague, etc.).
Use InPrivy to share passwords and other sensitive information the secure way. Generate a secure link that will be voided once opened by the recipient (more options available). Prevent your confidential data to remain fully visible in email conversations or chats.
Create one time links for secrets and sensitive data that your want to share. Keep it safe, keep it secure
Securely send and receive sensitive information using one-time links. Secrets are always encrypted and decrypted client-side and cannot be seen by the service. Also has features like notifications, webhooks, branding, API.
Temporal.PW can convert a password into a unique temporary secure URL that is safe to send via E-Mail.
If you need to send a password or some other form of simple but sensitive information to someone you can not send it over IM or email. These methods are not secure as anyone with little knowledge can intercept this information during transmission.
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