A simple browser tool to encrypt and decrypt text before sharing it.
It can be used to send passwords, API keys, or other sensitive data safely by encrypting the message with a passphrase.
All encryption happens locally in the browser using the Web Crypto API.
No data is sent to any server.
- Enter the text you want to encrypt
- Enter a passphrase
- Click Encrypt
- Send the encrypted text to the recipient
- Send the passphrase separately
- The recipient pastes the encrypted text and passphrase to decrypt it
- AES-GCM encryption
- PBKDF2 key derivation
- Fully client-side
index.html assets/ favicon.svg css/style.css js/script.js