ArcThemAll is Free portable File Compression Software. The Batch File Compression Tool can be used to compress multiple files or folders using popular ZIP, UPX and 7z compression formats. The user can also create self extracting archives and even password encrypted archives. It utilizes NRV2E, LZMA and Intelligent UPX compression modes. This tool can also be stored and run Portably from a USB flash drive.
ArcThemAll – File Compression and Decompression
Authors Website: Project Page
License: Open Source
Download: Get this Batch File Compression Tool HERE