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Good Compressor For Large Files


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#1 yethPC

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Posted 27 August 2008 - 03:41 AM

I am looking for a program that is good enough to compress relatively large files.I would like to find out if there is a program that is capable of shrinking a file twice or thrice as much as normal compressor zip can do.Just because I do have a 1.4 gig file that I need to fit into 1 gig usb flash drive.Hope you'll help ,thank you.

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#2 garmanma

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Posted 27 August 2008 - 07:42 AM

I'm moving you to our Other Applications forum
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#3 Platypus

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Posted 27 August 2008 - 07:51 AM

2 or 3 times as much as zip? In short, no.

Modern zip (Huffman type) compression is already very efficient. You will probably find some other compression application will give small improvement, but that will be mainly due to the type of content in the file, so no-one can say exactly which compression will work best for you.

The compression methods that do achieve massive filesize reduction are lossy compression algorithms like jpg and mp3, which cannot recover the exact original file contents so cannot be used for data file compression.

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#4 raw

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Posted 27 August 2008 - 09:14 PM

The last group is the 'everyday use' archiver. This are GUI driven programs with good compression, but without sacrificing speed and without excessive memory usage like the group 1 and 2 programs. Apart from the GUI it is important the program is fast, easy to use, and supports many different archive formats (or is a standard itself). The best archivers in this group are WinRar and 7-Zip.


http://www.maximumcompression.com/data/summary_sf.php

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