Free File: 7-Zip
Mar 27
Freebies, Tech Articles compression, zip View Comments
7Zip is an open-source compression/decompression utility that supports most of the popular compression formats. In addition, it also introduces its own high-performing format called LZMA. According to the 7Zip, LZMA supports:
- a high compression ratio
- compression speed of 1MB/s and higher (based on a 2GHz CPU)
- decompression speed of 10 to 20 MB/s (ditto)
- low system requirements
- multi-threading and hyper-threading
Not only does it support regular ZIP, its compression ratio for ZIP is 2 to 10% higher than the its commercial counterpart, WinZip. In true open-source fashion, 7Zip is available in more than 60 languages and can be used on older computers without too much trouble. Furthermore, it comes with a custom file manager that allows advanced functionality like:
- splitting files
- combining files
- calculating checksums of files
If you’re not (or can’t be) tied to a single computer and you prefer to carry your applications around on a USB-stick, there’s a portable version available at PortableApps.com, too. Sure, it doesn’t support every single possible format like WinRAR does, but it does a heck of a good job. And hey, it’s free!
7-Zip is available for Windows, Linux, Mac and most other Operating Systems out there on their official download page.
Get the portable version of 7-Zip here (Windows Only).
Supported Formats
Compression and decompression:
- 7z
- ZIP
- GZIP
- BZIP2
- TAR
Decompression only:
- RAR
- CAB
- ARJ
- Z
- RPM, DEB
- ISO
- And others…
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