Base64 De-/Encoder is a freeware software developed by 99fk for Windows, Linux, and Mac users. This program allows users to easily encode and decode data using the Base64 encoding method through a command line interface.

One of the standout features of Base64 De-/Encoder is its multi-platform support, making it accessible to users on a variety of operating systems. Additionally, the program is portable, allowing users to easily run it from a USB drive or other portable storage device. It is also available as both a 32-bit and 64-bit version, making it compatible with a wide range of systems.

Base64 De-/Encoder is also lightweight and efficient, making it a great choice for users who need to quickly encode or decode small to medium-sized files through the command line interface. The program is compatible with a wide range of file types, including text, images, and more.

Overall, Base64 De-/Encoder is a reliable and convenient tool for encoding and decoding data using the Base64 method through a command line interface. Whether you need to encode data for secure transmission or decode data for further processing, this program is a great choice.