There are so many compression utilities some are free and some are paid here is a quick review of top 5 free compression utilities.Compression utilities are softwares which are used to compress big file or folder and also used to decompress the compressed files.

PeaZip
PeaZip can extract most of archive formats both from Windows and Unix worlds, ranging from mainstream formats as 7Z, RAR, TAR and ZIP to experimental ones like PAQ/LPAQ family, currently the most powerful compressor available.
PeaZip supports creating archives with a wide range of compression and encryption standards, and allows to export job definition as scripts to bridge the gap between GUI and console applications, and let the user pick the best of the two worlds.
PeaZip is a reliable solution for most of the archive types you may met, and will help you in finding the right tool for a wide range of specific needs if you are searching for speed, or maximum compression, or strong encryption.
7-Zip
- High compression ratio in new 7z format with LZMA compression
- Supported formats:
- Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
- Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
- For ZIP and GZIP formats, 7-Zip provides a compression ratio that
is 2-10 % better than the ratio provided by PKZip and WinZip - Strong AES-256 encryption in 7z and ZIP formats
- Self-extracting capability for 7z format
- Integration with Windows Shell
- Powerful File Manager
- Powerful command line version
- Plugin for FAR Manager
- Localizations for 74 languages
TUGZip
TUGZip is a powerful award-winning freeware archiving utility for Windows® that provides support for a wide range of compressed, encoded and disc-image files, as well as very powerful features; all through an easy to use application interface and Windows Explorer integration.
ALZip
Easy and powerful file compression program ALZip is designed for zipping and unzipping with supporting more file archives than any other other file compression program. ALZip gives you benefits not only by great functions, but also by the funny & cute Egghead character and interface. ALZip is challenging to the old school “Professional software must be elegant” and say “Zip to Fun!”
IZArc
Sometimes you receive emails with zip files, rar files or any other “strange” archive files attached and you are wondering how to open them. Stop looking for solution! IZArc is the right choice. It can unzip (extract) almost any archive file types.
If you have many documents containing confidential information or you just want to back up your files you can use IZArc to create password protected archives secured with strong AES encryption. It’s a free file compression software which supports all popular compression file types.
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{ 2 comments… read them below or add one }
Twitter: Gloson
February 1, 2010 at 5:27 am
I personally like 7-zip the most, because it is so light and it can ultra-compress huge files, making it much smaller!
Gloson´s last blog ..17 Important Things to Do After Starting Your Wordpress Blog
Really Gloson 7-Zip is nice utility for compression.