7-Zip

Experience exceptional compression performance with 7-Zip Portable, featuring the renowned 7z format that often outperforms competitors in compression efficiency. This portable edition retains all the advanced features of the original software including strong AES-256 encryption for secure archives. The minimalist interface ensures easy operation while powerful algorithms maximize compression savings. Since it requires no installation, you can carry your complete compression solution on any portable storage device, ready to use on any Windows system instantly.