http://wobzip.org/ lets users uncompress archive files on the fly. All files are automatically scanned for viruses with Bitdefender upon extraction.
menu entry: link context > Unzip online
Below is an exapmle of uncompressed KMextvert.7z
Formats supported:
7z, ZIP, GZIP, BZIP2, TAR, RAR, CAB, ISO, ARJ, LZHCHM, Z, CPIO, RPM, DEB and NSIS
Maximum file size: 100MB