KGB Archiver is a file archiver and data compression utility based on the PAQ6 compression algorithm. Written in Microsoft Visual C++ by Tomasz Pawlak, KGB Archiver is designed to achieve a very high compression ratio. As a consequence, the program is relatively memory and CPU intensive. KGB Archiver is free and open source software released under the terms of the GNU General Public License. Version 2 beta 2 is available for Microsoft Windows and a command line version of KGB Archiver 1.0 is available for Unix-like operating systems. KGB Archiver is one of the few applications that works with the PAQ algorithm for making its KGB files.[2] It has ten levels of compression, from very weak to maximum, a greater variety than that found in most other compression software. However, at higher compression levels, the time required to compress a fileKGB Archiver is free and open source software which compresses 1GB file to 10MB file. Data compression utility of this software is based on PAQ6 algorithm which has AES-256 powerful encryption. It works on both Windows and Linux operating system. Compression ratio of this software is very high. Due to high compression levels, time to compress a file goes high as the size of the file increases and compression ratio may vary depending on the format of the file.
When a file is compressed with KGB Archiver it saves it with own extension and at the time of decompression it automatically recognizes the file format. The only limitation of KGB archiver is, decompressed file cannot be open or extract with other compression softwares. You can also choose any compression level (high, maximum, normal, low, very weak) to compress a file but the compression time will vary according to your selected compression level.
If you are compressing any file with KGB archiver and sending the comprssed file to your friends then he must have KBG archiver installed on his computer to decompress the file.
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