Anonymous encrypted message and file sharing
All data is encrypted in the browser
Up to 20MB per file, up to 10 files
Up to 30 participants
No registration or logs
Protection against coercion
Auto-delete after reading
All messages are encrypted directly in your browser before being sent to the server. The decryption key is only transmitted through the link and is never stored on the server.
End-to-end encryption with AES-256 or Vernam algorithms is used. The server stores only encrypted data that cannot be read. View security proofs
This is additional protection against coercion. You can create an alternative message with a separate password that will be shown instead of the real one.
No, the service does not store IP addresses, access times, or any other identifying information.
Mouse movements and keystrokes
Cryptographically strong key
AES-256 in browser
Only encrypted data
You can verify the security of Shara using browser developer tools:
Press F12 or Ctrl+Shift+I (Cmd+Opt+I on Mac)
Here all requests to the server are displayed
Enter any text and password, then click "Create Link"
Find the POST request to /api/message and look at Request Payload
Go to Console tab and type:
window.cryptoUtils
You will see an object with encryption methods that work only in the browser
/js/crypto-utils.js file - all encryption code is thereShara generates a cryptographically strong key automatically:
Adds an additional layer of security:
Password generation: Use openssl rand -base64 32 to create a strong password
Password transmission: Always transmit password via separate communication channel
Password length: Minimum 16 characters for basic protection, 32+ for critical data
We created Shara because we were fed up with the surveillance economy. Every app wants to know everything about you, every service tracks your every move. We said "enough" and built something different.
Shara isn't just another messaging app. It's a statement that your privacy matters. Your messages disappear when you want them to. Your files are encrypted before they leave your device. No one - not even us - can read what you send.
Your messages are encrypted in your browser before they're sent. We literally cannot read them.
Create instant chat rooms with no registration. Share the link and start talking securely.
Set a timer and watch your secrets vanish. No traces, no backups, no "oops we forgot to delete it".
Send encrypted files up to 20MB. Documents, images, anything you need to share privately.
No phone numbers, no emails, no profiles. Just pure, anonymous communication.
Create fake messages that look real. Perfect for when someone forces you to reveal your secrets.
Shara is actively being developed. We're constantly improving security, adding features, and fixing bugs. Some things might break, some features are still experimental.
But here's our commitment: we'll never compromise on privacy. Every line of code is written with your security in mind.
All our encryption code is visible in three files: /js/crypto-utils.js (main), /js/crypto-worker.js (Web Worker), and /js/app.js (key generation). Nothing is hidden.
Visit the Security tab to see live demonstrations of how your data is protected.
Our servers only see encrypted gibberish. We physically cannot spy on you.
It's not a premium feature or a luxury. It's a basic human right that everyone deserves.
We don't want to know who you are, what you send, or when you use our service.
No ads, no data harvesting, no hidden business models. Just a tool that works for you.
Privacy costs money - servers, security audits, development time. If Shara has helped you, consider helping us keep it alive.
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Every donation goes directly to keeping Shara running. We're not getting rich from this - we just want to build something that respects your privacy.