7-Zip is an effective tool to extract and compress files developed for personal computer. You can easily extract and compress the most common compressed file formats in the world with the help of 7-Zip. At present, 7-Zip is dedicated for 32bit and 64bit Windows.
7-Zip is now considered one of the best free software for compressing and extracting files. 7-Zip is developed by Igor Pavlov and distributed under the open source license of GNU.
7-Zip employs the file compression technology called LZMA. This technology allows user to compress files into much smaller size while still remaining their quality. 7-Zip does not only extract Zip file format. 7-Zip also support extracting and compressing such file formats as Microsoft cabinet (CAB), RAR, ARJ, gzip, bzip2, LZH, tar, CPIO, rpm, and Debian deb storage format. 7-Zip appears with a very straightforward and simple interface. In addition, this software does not occupy much space of the system, you can extract files while listening to music, watching TV, or typing without any problem. You can activate the functions which allows the software to automatically after finishing the extraction or compression.
Another function of 7-Zip is that it can automatically update for the new version. When you run 7-Zip, it will automatically send you a message. User only have to click on update button to continue the progress. Furthermore, 7-Zip can compress files better than other software of the same function. For example, with Zip format, 7-Zip compressed files size can be up to 30-70% smaller than that of the other software with Zip compression function. When it comes to extraction ratio, 7-Zip can extract file with an extraordinary high speed. The ratio that 7-Zip can achieve is 10-15% higher than that of the equivalents.
Main features of 7-Zip:
- Be able to compress/extract 7 z, ZIP, GZIP, BZIP2, TAR and many other formats.
- Have password protecting function.
- Have compact size, occupy less disk space.
- Higher extraction speed than other famous software.
- Support multi-lingual function
- Can be used in a lot of operating systems.
Since the first launch to the market, 7-Zip has been highly appreciated by users as well as technical magazines. In almost every famous technical websites, 7-Zip is always rated at 4.5/5 points (equivalent to excellent) with the comment "this is an software looks quite normal, but it has a stand out compression ratio comparing to other softwares of the same function". Although 7-Zip is a free software, it is even much better than other paid-software. A few months ago, 7-Zip was ranked by technical magazines the top of the best extraction software with the distinctively high compression speed and ratio.
7-Zip now works with almost every OS such as Windows, Linux, Mac Os. According to the developer of this software, the next version of 7-zip compatible with Windows 8 will be released in the near future. In addition, this software will use LZMA2 technology as the default method for .7z format in order to set up the premise for other formats. LZMA technology will be improved much more than before. The new version of 7-zip can control and check for CRC-32, SHA-1 and SHA-256 format more easily. For TAR format, the default encryption will be changed to UTF-8 standard. The new version of 7-Zip can open or compress big-size folders at much higher speed than before.
Beside 7-Zip, you can also choose WinRAR, another software with the equivalent functions which is compatible with 32bit and 64bit OS.