[Lord.Freddy]

Originally Posted by Carldric Clement

Where do I need to get this GRZip? It would be helpful if you posted this tool here for compression testing to use.

As kj911 said (GRzip) is a built-in compressor in FreeArc

Originally Posted by Masquerade

Isn't LOLZ better to use?

This is my test on my own (BMP) files:

This is For [BMP] files:

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Compression Method - 'mm+grzip:200mb:m1:l2048:h15:a'

FreeArc 0.67 (September 13 2014) creating archive: _OutPut\mm+grzip.arc
Compressed 22 files, 21,716,780 => 4,377,776 bytes. Ratio 20.16%
Compression time: cpu 6.69 sec/real 7.69 sec = 87%. Speed 2.82 mB/s
All OK
-----------------------------------------------------------------------------------------------------
Compression Method - 'msc+grzip:200mb:m1:l2048:h15:a'

FreeArc 0.67 (September 13 2014) creating archive: _OutPut\msc+grzip.arc
Compressed 22 files, 21,716,780 => 3,525,547 bytes. Ratio 16.23%
Compression time: cpu 4.20 sec/real 106.58 sec = 4%. Speed 0.20 mB/s
All OK

[21,716,780 => 10,333,829 => 3,525,547]
-----------------------------------------------------------------------------------------------------
Compression Method - 'msc+lz-ma'

FreeArc 0.67 (September 13 2014) creating archive: _OutPut\msc+lzma.arc
Compressed 22 files, 21,716,780 => 3,689,764 bytes. Ratio 16.99%
Compression time: cpu 0.19 sec/real 105.72 sec = 0%. Speed 0.21 mB/s
All OK

[21,716,780 => 10,333,829 => 3,689,764]
-----------------------------------------------------------------------------------------------------
Compression Method - 'msc+lolz:dt:dtb1:dtw1:dtm1:dto1:dtd1:mtt1:mt2:mc1023'

FreeArc 0.67 (September 13 2014) creating archive: _OutPut\msc+lolz.arc
Compressed 22 files, 21,716,780 => 3,578,327 bytes. Ratio 16.48%
Compression time: cpu 0.16 sec/real 165.26 sec = 0%. Speed 0.13 mB/s
All OK

[21,716,780 => 10,333,829 => 3,578,327]
-----------------------------------------------------------------------------------------------------
Compression Method - 'lolz:dt:dtb1:dtw1:dtm1:dto1:dtd1:mtt1:mt2:mc1023'

FreeArc 0.67 (September 13 2014) creating archive: _OutPut\lolz.arc
Compressed 22 files, 21,716,780 => 4,097,660 bytes. Ratio 18.87%
Compression time: cpu 0.20 sec/real 134.28 sec = 0%. Speed 0.16 mB/s
All OK
-----------------------------------------------------------------------------------------------------

MSC OutPut Console Window:
<--------------------------- B M P ---------------------------->
Total founded BMP: 22
BMP with not supported header value "bit_per_pixel": 9
BMP with not supported line size (should be line_size_bytes mod 4 = 0): 1
BMP filtered by size: 0

processed BMP: 12 (13'920'648 bytes)