.Zipx: 744MB (43% reduction)
WinRAR compression and decompression software
WinRAR compressed files are in RAR format and there are some tricks you need to know to get the best compression quality from this software.
Select the file to compress, right click and select Add to archive . In the new window, tick the ' Create solid archive ' box. Next, in the Compression method section , click the drop-down arrow next to the word Normal and select Best.
WinRAR also has a fairly effective RAR5 compression format option.
Results when compressing 1.3GB data using WinRAR's best customization:
.rar: 780MB (40% reduction)
.rar5: 778MB (40% reduction)
7-Zip file compression software
The last candidate on the list with the free advantage. But does that mean the quality is the worst? Let's test it out.
First, select the file to compress, right click, select 7 Zip and press Add to archive .
In the new window, set the Compression level to Ultra, change the Compression method to LZMA2 and compress the file.
7-Zip compressed the total file size of 1.3GB to 758MB (42% reduction).
summary
Based on the results obtained, the article chooses 7-Zip as the best file compression software. Although WinZip has a 1% better result, that number is not worth the software's price of 700,000 VND.
Another option for those who don't want to use third-party software, Windows also has a built-in utility to help you compress files. To use, select the files to compress, then right-click, press Send to and select Compressed folder .
With the same test, a 1.3GB file was only compressed to 892MB (31% reduction), but with the advantage of being fast and convenient, this tool will assist when you need to compress files without any other software.