7z compression
7z compression
Out of context: Reply #2
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- toastie0
it all depends on what kind of files you're compressing. With any compressor, you can only do so much, especially if files are already compressed with another algorithm. The way any compressor usually works is it finds repeated patterns within the file and makes records for where they repeat, thereby making the size smaller by replacing the actual data with indexes. So if a file has been put through such treatment already, or by nature doesnt have much repeating data, it wont compress very well no matter what you use, while some files compress down to a fraction because of the opposite.