Top 5 Best Encryption for Mac (2022 List) 1. Machines Free Encryption. Machines Free supports the following file encryption methods: AES 256, Serpent and SAFE. The program uses a key of random length of 48 bits, which needs 20 bytes of random data to generate. No password is required to secure the encryption; a password is always requested when the system password is changed, or when the disk encryption is turned off. It is also an effective way to encrypt your Mac's volume by booting (holding down the command’S key while booting the Mac) and setting a password. It is recommended that you disable the disk encryption before you create a backup. Download: Machines Free 2.2.1: macOS Sierra 10.12.5 2. File Vault Plus Mac security software is designed to protect and secure your Mac. This is our top security software for Mac because we believe the key element to protection is disk encryption technology. FileVault 4 is our most advanced, secure and user-friendly software for security. The software allows users to seamlessly manage an encrypted Mac using the FileVault feature. FileVault 4 can be used with Disk Utility to encrypt your entire system drive and a user can encrypt and save only files that are important and are stored on the Mac. It supports four unique encryption methods: AES 256, Serpent, Triple DES and Serpent. The software works with your existing files, and even with new files that are added to the computer. The software is also available in a Professional version which allows users to protect their Mac with 256-bit encryption. Download: File Vault Plus 18.104.22.168 (32-bit) 3. FileVault Mobile: If you are ready to encrypt all of your data and save it in the cloud, then FileVault Mobile is the perfect solution for you. This free, portable version of FileVault has been developed for the iOS mobile platform. It can encrypt, share and backup all of your data for as long as you need it. It is completely secure and can also be used with your Mac to protect all of your hard drive space. Download: FileVault Mobile 22.214.171.124 (32-bit) 4. Encrypt or Free Mac version protects your Mac with four different encryption techniques: AES 256, Serpent, Triple DES and Serpent. It supports four different file encryption technologies: AES 2048, Serpent and Serpent 2.