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secure-notes VS Privnote

Compare secure-notes VS Privnote and see what are their differences

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Contents:
  1. ยป Base Details
  2. ยป Videos
  3. ยป Reviews
  4. ยป Alternatives

secure-notes logo secure-notes

One-time open-source E2EE notes. AES-256-GCM browser-side encryption; server response sign; pub-key pinning; accident burn protection; PoW captcha; RAM-only; written in Rust; zero-knowledge relay. No account required for creating up to 32Kb notes.

Privnote logo Privnote

Send notes that will self-destruct after being read
  • secure-notes Home page
    Home page //
    2026-05-28
  • secure-notes How it works
    How it works //
    2026-05-28
  • secure-notes API Configuration
    API Configuration //
    2026-05-28
  • secure-notes Notice that an external API will be used
    Notice that an external API will be used //
    2026-05-28
  • secure-notes Notice that the server key has changed
    Notice that the server key has changed //
    2026-05-28
  • secure-notes After note is created
    After note is created //
    2026-05-28
  • secure-notes Checking the server's public key when opening a note
    Checking the server's public key when opening a note //
    2026-05-28
  • secure-notes Opening the note
    Opening the note //
    2026-05-28

SecNote โ€” open-source E2EE read-once notes

SecNote is an open-source, zero-knowledge relay for sharing sensitive notes that should be opened only once. Notes are encrypted in the browser with AES-256-GCM before they leave the client, and the decryption key stays in the URL fragment so the server never receives it.

The backend stores only ciphertext in RAM, never writes note contents to disk, and atomically destroys each note after the first successful read or when it expires. No account is required.

Key features

  • End-to-end encrypted notes with browser-side AES-256-GCM
  • Read-once / burn-after-read delivery
  • Zero-knowledge server that stores only ciphertext
  • RAM-only storage with no persistent note database
  • Accidental burn protection using a key-derived view token
  • Proof-of-work anti-spam protection instead of traditional CAPTCHA
  • Signed server responses with Ed25519 verification
  • Public-key pinning / TOFU support for stronger trust boundaries
  • No accounts, no login, no tracking workflow
  • Self-hostable Rust backend
  • Offline-capable static frontend with no CDN dependency
  • Tor Browser-friendly design

SecNote is built for developers, security-conscious teams, journalists, administrators, and privacy-focused users who need a minimal way to exchange short secrets without relying on accounts, persistent storage, or server-side plaintext handling.

  • Privnote Landing page
    Landing page //
    2019-04-09

secure-notes

Website
pwn-all.github.io
$ Details
free
Platforms
Web
Release Date
2026 May
Startup details
Country
United Arab Emirates
State
Dubai
City
Dubai
Founder(s)
PWN-ALL
Employees
50 - 99
Edit details

Privnote

Website
privnote.com
$ Details
-
Platforms
-
Release Date
-
Edit details

secure-notes features and specs

  • Rust Implementation
    The backend was written entirely in Rust
  • E2E encryption
    Messages are encrypted on the client side
  • Self-Hostable
    Both backend and frontend
  • AES-256 Encryption
    Using standard browser features without third-party libraries
  • Quantum Resistance
    128-bit Quantum-secure encryption
  • Open Source
    Both backend and frontend is available

Privnote features and specs

  • Self-Destructing Notes
    Notes automatically delete themselves after being read, enhancing privacy and security by ensuring that the content cannot be accessed more than once.
  • No Sign-Up Required
    Users donโ€™t need to register or create an account to use the service, allowing for quick and anonymous note creation.
  • Encryption
    Notes are encrypted to secure the content from unauthorized access during transmission, adding a layer of security.
  • Ease of Use
    The interface is straightforward and user-friendly, making it easy to create, send, and read notes even for non-technical users.
  • URL-Based Sharing
    Notes are shared via unique URLs, facilitating easy sharing through emails, instant messaging, or other digital communication channels.

Possible disadvantages of Privnote

  • Temporary Availability
    Once a note is read and self-destructs, it cannot be retrieved, which could lead to loss of important information.
  • Potential Phishing Risks
    The format of sharing via URLs can potentially be exploited for phishing attacks if users are not cautious about the source of the message.
  • Limited Features
    Privnote focuses solely on secure note sharing, lacking additional features like attachment support, rich text formatting, or integration with other services.
  • Reliance on Third-Party
    Users must trust the service provider to properly handle and secure their data, which may be a concern for highly sensitive information.
  • No Inherent Authentication
    There is no user authentication on either side (sender or recipient), which could lead to unauthorized users accessing the note if they intercept the URL.

Analysis of secure-notes

Overall verdict

  • Secure-notes (pwn-all.github.io) appears to be a niche or lesser-known tool, and without verified, up-to-date information about its security practices, ownership, or track record, it cannot be confidently endorsed as 'good' for storing sensitive information. Users should exercise caution and verify its legitimacy, encryption standards, and privacy policy before use.

Why this product is good

  • Claims to offer note-taking with a security focus, which may appeal to privacy-conscious users
  • Potentially lightweight or simple to use if hosted as a static GitHub Pages site
  • GitHub Pages hosting can imply transparency if the source code is open for review

Recommended for

  • Users who first verify the source code and security claims independently
  • Casual note-taking where no sensitive personal or financial data is involved
  • Developers or technically savvy users comfortable auditing open-source code before trusting it with data

Analysis of Privnote

Overall verdict

  • Privnote is generally considered a good option for those who need a simple, secure, and temporary way to share confidential information. However, users should be aware of potential phishing attempts by ensuring they are using the legitimate site (privnote.com) and not a spoofed version.

Why this product is good

  • Privnote is a service that allows users to send notes that self-destruct after being read. This temporary nature ensures that sensitive information does not persist longer than necessary, enhancing privacy. It is straightforward to use and does not require account creation, which adds convenience.

Recommended for

  • Individuals who need to send sensitive information securely and temporarily.
  • Users seeking a no-hassle solution without the need for account creation.
  • People who value privacy and security in message transmission.

secure-notes videos

+ Add

How to use secure-notes

Privnote videos

+ Add

Privnote - Send Self Destructs Private Notes & Text After Read it ๐Ÿ˜ฑ

More videos:

  • Review - Privnote - Send Self Destructs Private Notes & Text After Read it
  • Tutorial - How to Send Self Destructing Emails Using PrivNote?

Category Popularity

0-100% (relative to secure-notes and Privnote)

secure-notes

Privnote

Communication
100 100%
Communication
0% 0
Note Taking
0 0%
Note Taking
100% 100
Encrypted Communication
100 100%
Encrypted Communication
0% 0
Secure Document Sharing
0 0%
Secure Document Sharing
100% 100

Questions & Answers

As answered by people managing secure-notes and Privnote.

How would you describe the primary audience of your product?

secure-notes's answer

Everyone who take a care about secure transfer of secrets

Which are the primary technologies used for building your product?

secure-notes's answer

Rust, Claude Cyber

What makes your product unique?

secure-notes's answer

Server response sign; pub-key pinning; accident burn protection; PoW captcha; RAM-only; option for self-hosting frontend and back-end

Why should a person choose your product over its competitors?

secure-notes's answer

1-click self-hostable frontend with 0 hustle on choice any public instance

Who are some of the biggest customers of your product?

secure-notes's answer

A Chrome extension that uses secure-notes instances has been adopted by dozens of organizations around the world

What's the story behind your product?

secure-notes's answer

SecNote was built for one simple reason: sharing a secret should not require trusting the server.

User comments

Share your experience with using secure-notes and Privnote. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Privnote seems to be more popular. It has been mentiond 15 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

secure-notes mentions (0)

We have not tracked any mentions of secure-notes yet. Tracking of secure-notes recommendations started around May 2026.

Privnote mentions (15)

  • passiflora incarnata, on the vine I planted in my backyard. these things spread like wildfire, so be careful
    If that sounds good, just shoot me your address in DMs (I'd recommend using https://privnote.com to send a single use link with the info). I can likely get some out tomorrow. Source: almost 4 years ago
  • Secure Password Sharing?
    Privnote.com is my burn-after-reading note of choice. Source: almost 4 years ago
  • New Users logon credentials
    Iโ€™ve used https://privnote.com before. Source: about 4 years ago
  • Rules of Communication with Females
    3) Use privnote.com messages that self-destruct instead of leaving trails in inboxes. If necessary sign up third party accounts to send the privnotes. Source: about 4 years ago
  • Donโ€™t trust your messenger
    Also, there are services like privnote.com. And even better with a virtual keyboard, so that the message does not need to be typed on the keyboard, but typed with the mouse. But this option will not be a panacea either, in theory, on a computer or mobile device, you may already have a program that will take screenshots of all your actions. Source: over 4 years ago
View more

What are some alternatives?

When comparing secure-notes and Privnote, you can also consider the following products

Secnote.co - Send encrypted, self-destructing notes instantly with Secnote. Share confidential messages that automatically delete after being read. Trusted, private, and easy-to-use.

One-Time Secret - One-Time Secret is a way to share sensitive information simple and secure.

PrivateBin - PrivateBin is a minimalist, open source online pastebin where the server has zero knowledge of...

SafeNote - Encrypt and send files and notes with a link that automatically destruct after being read. SafeNote is a free web-based service that allows you to share a note or a file with confidentiality. There is no way to spying on you even to a hacker.

scrt.link - Securely share sensitive information online

Password Pusher - Go Ahead. Email Another Password.

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