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Secret Message.

Write, encrypt, share and decrypt a message locally via a readable OCR code.

WRITE A SECRET MESSAGE

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Read a secret message

Import from an image, PDF, or paste the code directly.

The result will appear here.

Mode d’emploi rapide

  1. Write your message, add a secret password, then click Encrypt.
  2. Share the text block, PDF, image or generated QR.
  3. To read a message: import/paste the code, enter the same secret password, then click Decrypt.

Why secret password is required: it generates the encryption key that locks your message. To decrypt it, you need exactly the same secret password. If the password is different (or forgotten), the message remains unreadable.

This secret password is not stored on the server: only you know it.

Technical limit: to keep the QR readable on most phones, stay around 1200 characters maximum before encryption.

🔐 Privacy

Encryption is done directly in your browser.

This means:

  • the message is never sent to the server
  • the secret password never leaves your device
  • no one else can read your message.

Tip: use a secret password with at least 12 characters.

SEO Guide for Encrypted Secret Message

Encrypt a sensitive message locally to share confidential information with a passphrase.

How it works

The module combines WebCrypto encryption, OCR/PDF/image export and local decryption with secret phrase.

Usage examples

Related keywords

secret message • aes gcm encryption • secure ocr tool

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