Reasonable Archiver - Version 1.0 Archiver is a new file compression tool, which distinguish itself from traditional file compression with optimized compression ratio. Using technology in Reasonable NoClone, Archiver optimizes compression by removing exact and partial duplicates in both file level and data level, providing yet the best compression ratio, and thus further reduce the size of your archives. Unlike traditional compression software like Zip and Rar, Reasonable Archiver compress at file level to remove duplicates.