cadenasEncrypt a file with a password. Simply.

Right in your browser. No file and no password is ever sent over the Internet.

Simple

Drop a file, choose a password, download the result. No account, nothing to install.

Everything happens on your device. The page is technically not allowed to open any network connection.

Argon2id and XChaCha20-Poly1305. Any change to an encrypted file is detected.

Free software under the MIT license, fully documented format, compatible with age.

Installable website that works offline, command line for Windows, macOS and Linux, Docker image, JavaScript library.

Your recipient opens the file on the same website with the password, without installing anything.