Ranking best overall compression program method #2 as listed on http://www.maximumcompression.com (31 December 2009) Pos. Program Size (Bytes) Ratio (%) =================================================== 001 PAQ8PX 8813124 100.0 002 WinRK 3.1.2 9163620 104.0 003 PAQAR 4.5 9628235 109.2 004 DURILCA 0.5 9828249 111.5 005 SLIM 0.23d 9905919 112.4 006 NanoZip 0.07a 9952778 112.9 007 EPM r9 10179845 115.5 008 LPAQ8 10280109 116.6 009 PPMonstr J rev.1 10389821 117.9 010 RKC 1.02 10411833 118.1 011 ZPAQ 1.09 10419972 118.2 012 CMM4 0.2b 10514487 119.3 013 PIMPLE2 10640280 120.7 014 COMPRESSIA 1.0b 10664630 121.0 015 CCM 1.30c 10736835 121.8 016 ASH 07 10821374 122.8 017 BIT 0.7 10875515 123.4 018 Ocamyd 1.66test1 10935918 124.1 019 ENC 0.15 10939309 124.1 020 HIPP 0.5819 10956556 124.3 021 FreeARC 0.60 11122598 126.2 022 UHARC 0.6b 11151014 126.5 023 TC 5.2 dev2 11279556 128.0 024 7-Zip 9.10 11281599 128.0 025 STUFFIT 14 11284662 128.0 026 BEE 0.7.9 11298396 128.2 027 RZM 0.07h 11321527 128.5 028 SQUEEZ 5.63 11373488 129.1 029 Ultra7z Opt 0.05 11378813 129.1 030 RK 1.04.1 11454328 130.0 031 CTXf 0.75 b1 11587323 131.5 032 WinRAR 3.91 11601141 131.6 033 Quark 0.95r 11639975 132.1 034 WINZIP 14 11650076 132.2 035 PIM 2.90 11666751 132.4 036 PPMN 1.00b1 km 11733001 133.1 037 GRZipII 0.2.4 11805752 134.0 038 RKUC 1.04 11825088 134.2 039 PPMVC 1.2 11834615 134.3 040 PPMY SSE (9A9) 11835558 134.3 041 PPMd rev J 11868185 134.7 042 FlashZIP 0.99b5 11874710 134.7 043 777 0.04b1 11887994 134.9 044 RINGS 1.6 11896784 135.0 045 GRZIP 0.7.3 11915243 135.2 046 HOOK 1.4 11950372 135.6 047 BWMonstr 0.02 11967621 135.8 048 M1 0.3b 11972113 135.8 049 LZPX(J) 1.2h 11977759 135.9 050 UFA 0.04b1 12033036 136.5 051 Blizzard 0.24b 12035530 136.6 052 BMA 1.35b 12036301 136.6 053 ICEOWS 4.20b 12094203 137.2 054 BSSC 0.95a 12117125 137.5 055 RKIVE 1.92 12194910 138.4 056 LZTurbo 0.95 12204073 138.5 057 SZIP 1.12 12212231 138.6 058 ACB 2.00c 12215499 138.6 059 UHBC 1.0 12238088 138.9 060 CTW 0.1 12309636 139.7 061 SBC 0.970 rev3 12313311 139.7 062 PPMX 0.05 12314165 139.7 063 WinHKI 1.74 12352672 140.2 064 BALZ 1.15 12364886 140.3 065 M03 12375777 140.4 066 BCM 0.10 12376868 140.4 067 DC 0.99.307b 12443207 141.2 068 ZZIP 0.36c 12472459 141.5 069 BioArc 1.9 12511636 142.0 070 DARK 0.51 12517457 142.0 071 BBB ver1 12536777 142.3 072 BruteCM 0.1d 12574778 142.7 073 YBS 0.03f 12578095 142.7 074 QC 0.050 12607670 143.1 075 LZPM 0.16 12612129 143.1 076 PPMZ2 0.81 12628639 143.3 077 QLFC 6.6w 12640987 143.4 078 Quad 1.12 12647083 143.5 079 TarsaLZP 21Aug2007 12647559 143.5 080 MNZIP 12653353 143.6 081 BA 1.01 12654768 143.6 082 ABC 2.4 12705058 144.2 083 M99 2.2.1 12716248 144.3 084 BOA 0.58b 12731521 144.5 085 ShipInBottle 1.0 b17 12737327 144.5 086 CHILE 0.5 12740959 144.6 087 WINIMP 1.21 12744029 144.6 088 QAZAR 0.0pre5 12749849 144.7 089 DST 0.91b 12768962 144.9 090 CABARC 1.00.0106 12801613 145.3 091 X1 0.95a 12852652 145.8 092 IMP 1.12 12853035 145.8 093 WinTurtle 1.6.0 12924324 146.6 094 DGCA 1.10 12962432 147.1 095 BIX 1.00b7 12966506 147.1 096 MAR 12974461 147.2 097 GCA 0.9k 13033460 147.9 098 ACE 2.6 13052581 148.1 099 WinACE 2.69 13052829 148.1 100 DCGA b8 13092688 148.6 101 QUANTUM 0.97 13100146 148.6 102 TURTLE 0.07 13110829 148.8 103 BICOM 1.01 13121337 148.9 104 BSA 2.00 13144755 149.1 105 ARHANGEL 1.40 13169564 149.4 106 DACT 0.8.41 13173357 149.5 107 NNTC 13237834 150.2 108 CSC 3.1 13261410 150.5 109 OrangeArchiver 1.05 13265652 150.5 110 BWTZIP 13268400 150.6 111 BZIP 0.21 13348813 151.5 112 BZIP2 1.0.5 13379118 151.8 113 PSA 0.91a 13414981 152.2 114 LZXQ 0.4 13487115 153.0 115 PAR 2.00 13491351 153.1 116 EXP 1.0 13502811 153.2 117 PAC 17apr2004 13515568 153.4 118 PACKET 0.91a 13539533 153.6 119 RZIP 2.1 13555841 153.8 120 Tornado 0.4a 13595881 154.3 121 LZDS v2.1 13625557 154.6 122 SR3a 13643600 154.8 123 BZP 0.3 13696214 155.4 124 LGHA 1.1g 13732210 155.8 125 HA 0.999b 13733651 155.8 126 TRANSFORM 1.02 13750394 156.0 127 ASD 0.2.0 13774725 156.3 128 LZAP 0.20.0b 13857867 157.2 129 JAR 1.02 13862146 157.3 130 EXTREME 1.06 13865425 157.3 131 12Ghosts 7.0 13873112 157.4 132 AI 1.1 13890894 157.6 133 CODEC 3.21 13906106 157.8 134 PPMT 0.1 13914385 157.9 135 ARI 2.2 13997766 158.8 136 THOR 0.96 14120888 160.2 137 LZ2A 14144400 160.5 138 KZIP 14-APR-2007 14280477 162.0 139 YAC 1.02 14325263 162.5 140 DCA 1.0.1b 14337289 162.7 141 SEMONE 0.6 14393960 163.3 142 SLUG X 14456960 164.0 143 UC II v3.05b 14551136 165.1 144 DeepFreezer 1.06 14555458 165.2 145 LHA32 1.88.3.14 14564115 165.3 146 LHARK 0.4d 14571843 165.3 147 DLC 0.6.1 14672708 166.5 148 BJWFLATE 1.54 14753711 167.4 149 RDMC 0.06c 14783483 167.7 150 SYMBRA 0.2 14843240 168.4 151 HIT 2.10 14845671 168.4 152 ZET 0.10b 14865875 168.7 153 LIMIT 1.2 14868331 168.7 154 PKZIP 2.50 14868451 168.7 155 ZAP32 0.15.0b 14871952 168.7 156 AMG 2.2 14872858 168.8 157 HuffComp 1.3 14878310 168.8 158 DZIP 2.90 14928634 169.4 159 vuZIP 1.8 14930430 169.4 160 EAZEL 1.0 14930765 169.4 161 LHA 2.67 14939058 169.5 162 GZIP 1.3.5 14948376 169.6 163 ZIP 2.2 14948761 169.6 164 AIN 2.32 14964305 169.8 165 ESP 1.92 14970505 169.9 166 WINZIP 8.0 14994002 170.1 167 JCALG1 5.32 15047102 170.7 168 ARJ 2.85 15059627 170.9 169 WIN-GZ 1.2 15087157 171.2 170 File2Pack 2.0 15088358 171.2 171 BCArchive 1.08.7 15147600 171.9 172 RAX 1.02 15184339 172.3 173 Windows XP built-in 15283775 173.4 174 HAP 3.06 15290714 173.5 175 BVI 1.70 15461581 175.4 176 aPLib 0.43 15567219 176.6 177 ALZip 7.0 15619459 177.2 178 XPA 1.0.2 15623505 177.3 179 LZA 1.01 15701975 178.2 180 Chaos Comp 3.0 15830671 179.6 181 LCSSR 0.2 15842346 179.8 182 SAR 1.0 15989247 181.4 183 AR 1.0 15989247 181.4 184 ZOO 2.1 15990584 181.4 185 Archiver 1.0 16028708 181.9 186 BAR 1.1.2 16038084 182.0 187 HiP beta 1 16113154 182.8 188 HYPER 2.5 16469406 186.9 189 LZOP 1.02rc1 16605317 188.4 190 LZC 0.08 16895049 191.7 191 Zhuff 0.2 17293784 196.2 192 ERI 5.1fre 17317756 196.5 193 QuickLZ 1.40b9 17325712 196.6 194 ARX 1.0 17360261 197.0 195 Secura 1.7 17748104 201.4 196 CA-ZIP 3.4 17897153 203.1 197 CODER 1.1 18150341 205.9 198 QPress 0.38b 18394649 208.7 199 BigCrunch 0.4a1 19003791 215.6 200 BriefLZ 1.04 19150759 217.3 201 LCW 0.2 19503456 221.3 202 LZ 1.0 20402392 231.5 203 SRANK 1.0 21222999 240.8 204 LZP2 0.7d 21395263 242.8 205 LZBW1 0.8 23322360 264.6 206 LZRW1 24878204 282.3 207 Shindlet 36659263 416.0 208 SHcodec 1.0.1 38815350 440.4 The above list doesn't include clones of a program (like PAQ clones WinUDA, KGB and Emilcont), 'light' versions (like Durilca Light and PPMs) and programs without an own compression format (like PowerArchiver, TUGzip). If you still think I missed a program please let me know!. PS. Most of these clones and light versions are included in the multiple file compression (MFC) test found on the site. ©2003-2009 Maximum Compression Werner Bergmans