Algebraic Advanced file encryption. Made effortless. Download for Mac Runs on macOS 11 or later Release Notes Buy a License ($9) Buy once, valid forever Use on multiple computers Algebraic main window on macOS Features Easy as drag-and-drop Encrypt and decrypt files simply by dragging them onto the Algebraic window or its Dock icon. State of the art cryptography Secure, modern encryption using open source XChaCha20-Poly1305 and Argon2id implementations. Docs Finder, meet Algebraic Encrypt and decrypt files directly from Finder menus, or use shortcuts ⇧⌘E and ⇧⌘Y. Docs Advanced file format The encrypted file format is designed for integrity, performance, & backwards compatibility. Read more Progress windows & notifications Follow longer operations with smooth progress estimates and native system notifications. Command line powers New The included ax(1) command complements Algebraic with programming and automation productivity. Algebraic has gorgeous, finely-tuned light and dark appearance modes Supports all file types Encrypt any kind of file—movies, documents, images, archives, binaries—and entire folders recursively. Robust error handling Know reliably if encryption or decryption failed unexpectedly, along with the precise reason why. Unparalleled detail Preserve file attributes, xattrs, and ACLs. Even encrypt file and directory names, and fuzz file sizes.