7-Zip ZS is a lightweight compression tool designed for creating, decompressing, and testing of data integrity as well as performing hash checks for archived files. It comes packed with a real-time compression algorithm for providing high compression ratios. 7-Zip ZS offers an extensive range of compression/speed trade-offs while being backed by a high-speed decoder. It supports mostly all of the popular formats, including IP, RAR, LZA, ARJ, TAR. GZ, ISO, and more.