Crypter is a high-performance packer and protector for Windows 32bit executables Crypter can encrypt and compress any 32-bit executable without affecting its direct functionality. For instance, if you're a software developer, you can encrypt your applications before they are delivered to customers. By using Crypter, the applications will be more protected and smaller. Crypter is fully compatible with Windows 2k, Windows XP, Windows Vista, Windows 7 and Windows 8 (both 32-bit and 64-bit systems).