ZipGenius is the absolutely free software for Windows® that lets you compress files to almost any kind of archive. ZipGenius supports more than 20 compressed archive formats, including CD/DVD-ROM image files in ISO9660 standard. This is the file compression suite you were searching for: it is free and easy to use, plus it supports more than 20 formats of compressed archives, including RAR, ARJ, ACE, CAB, SQX, OpenOffice.org documents and the excellent 7-zip. ZipGenius now can precompress executable files going to be added to a ZIP archive through the UPX compressor.

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7-Zip is a file archiver with a high compression ratio. 7-Zip is open source software. You can use 7-Zip on any computer, including a computer in a commercial organization. You don’t need to register or pay for 7-Zip.

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