Ranking best overall compression program method #2 as listed on http://www.maximumcompression.com (28 November 2011) 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 0.09a 9952506 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 2.05 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 0.666 11134548 126.3 022 UHARC 0.6b 11151014 126.5 023 TC 5.2 dev2 11279556 128.0 024 7-Zip 9.25a 11281494 128.0 025 STUFFIT 14 11284662 128.0 026 BEE 0.7.9 11298396 128.2 027 RZM 0.07h 11321527 128.5 028 SCM 0.0.1b 11347720 128.8 029 SQUEEZ 5.63 11373488 129.1 030 Ultra7z Opt 0.05 11378813 129.1 031 RK 1.04.1 11454328 130.0 032 BSC 3.0.0 11571019 131.3 033 CTXf 0.75 b1 11587323 131.5 034 WinRAR 4.1b3 11601141 131.6 035 Quark 0.95r 11639975 132.1 036 WINZIP 14 11650076 132.2 037 PIM 2.90 11666751 132.4 038 PPMN 1.00b1 km 11733001 133.1 039 GRZipII 0.2.4 11805752 134.0 040 RKUC 1.04 11825088 134.2 041 PPMVC 1.2 11834615 134.3 042 PPMY SSE (9A9) 11835558 134.3 043 PPMd rev J 11868185 134.7 044 777 0.04b1 11887994 134.9 045 RINGS 1.6 11896784 135.0 046 GRZIP 0.7.3 11915243 135.2 047 FlashZIP 0.99b8 11948292 135.6 048 HOOK 1.4 11950372 135.6 049 BWMonstr 0.02 11967621 135.8 050 M1 0.3b 11972113 135.8 051 LZPX(J) 1.2h 11977759 135.9 052 UFA 0.04b1 12033036 136.5 053 Blizzard 0.24b 12035530 136.6 054 BMA 1.35b 12036301 136.6 055 ICEOWS 4.20b 12094203 137.2 056 BSSC 0.95a 12117125 137.5 057 RKIVE 1.92 12194910 138.4 058 LZTurbo 0.95 12204073 138.5 059 SZIP 1.12 12212231 138.6 060 ACB 2.00c 12215499 138.6 061 UHBC 1.0 12238088 138.9 062 CTW 0.1 12309636 139.7 063 SBC 0.970 rev3 12313311 139.7 064 WinHKI 1.74 12352672 140.2 065 BALZ 1.15 12364886 140.3 066 BCM 0.12 12371596 140.4 067 M03 12375777 140.4 068 DC 0.99.307b 12443207 141.2 069 ZZIP 0.36c 12472459 141.5 070 BioArc 1.9 12511636 142.0 071 DARK 0.51 12517457 142.0 072 YZX 0.04 12534349 142.2 073 BBB ver1 12536777 142.3 074 BruteCM 0.1d 12574778 142.7 075 YBS 0.03f 12578095 142.7 076 QC 0.050 12607670 143.1 077 LZPM 0.16 12612129 143.1 078 PPMZ2 0.81 12628639 143.3 079 QLFC 6.6w 12640987 143.4 080 Quad 1.12 12647083 143.5 081 TarsaLZP 21Aug2007 12647559 143.5 082 MNZIP 12653353 143.6 083 BA 1.01 12654768 143.6 084 ABC 2.4 12705058 144.2 085 M99 2.2.1 12716248 144.3 086 BOA 0.58b 12731521 144.5 087 PPMX 0.07 12734291 144.5 088 ShipInBottle 1.0 b17 12737327 144.5 089 CHILE 0.5 12740959 144.6 090 WINIMP 1.21 12744029 144.6 091 QAZAR 0.0pre5 12749849 144.7 092 DST 0.91b 12768962 144.9 093 CABARC 1.00.0106 12801613 145.3 094 X1 0.95a 12852652 145.8 095 IMP 1.12 12853035 145.8 096 WinTurtle 1.6.0 12924324 146.6 097 DGCA 1.10 12962432 147.1 098 BIX 1.00b7 12966506 147.1 099 MAR 12974461 147.2 100 GCA 0.9k 13033460 147.9 101 ACE 2.6 13052581 148.1 102 WinACE 2.69 13052829 148.1 103 DCGA b8 13092688 148.6 104 QUANTUM 0.97 13100146 148.6 105 TURTLE 0.07 13110829 148.8 106 BICOM 1.01 13121337 148.9 107 BSA 2.00 13144755 149.1 108 ARHANGEL 1.40 13169564 149.4 109 DACT 0.8.42 13172766 149.5 110 NNTC 13237834 150.2 111 OrangeArchiver 1.05 13265652 150.5 112 BWTZIP 13268400 150.6 113 BZIP 0.21 13348813 151.5 114 BZIP2 1.0.5 13379118 151.8 115 CSC 3.2a6 13379276 151.8 116 PSA 0.91a 13414981 152.2 117 LZXQ 0.4 13487115 153.0 118 PAR 2.00 13491351 153.1 119 EXP 1.0 13502811 153.2 120 PAC 17apr2004 13515568 153.4 121 PACKET 0.91a 13539533 153.6 122 RZIP 2.1 13555841 153.8 123 Tornado 0.4a 13595881 154.3 124 LZDS v2.1 13625557 154.6 125 SR3a 13643600 154.8 126 BZP 0.3 13696214 155.4 127 LGHA 1.1g 13732210 155.8 128 HA 0.999b 13733651 155.8 129 TRANSFORM 1.02 13750394 156.0 130 ASD 0.2.0 13774725 156.3 131 XPv5 13836270 157.0 132 Comprox 0.3.0 13857760 157.2 133 LZAP 0.20.0b 13857867 157.2 134 JAR 1.02 13862146 157.3 135 EXTREME 1.06 13865425 157.3 136 12Ghosts 7.0 13873112 157.4 137 AI 1.1 13890894 157.6 138 CODEC 3.21 13906106 157.8 139 PPMT 0.1 13914385 157.9 140 ARI 2.2 13997766 158.8 141 THOR 0.96 14120888 160.2 142 LZ2A 14144400 160.5 143 KZIP 14-APR-2007 14280477 162.0 144 YAC 1.02 14325263 162.5 145 DCA 1.0.1b 14337289 162.7 146 SEMONE 0.6 14393960 163.3 147 SLUG X 14456960 164.0 148 UC II v3.05b 14551136 165.1 149 DeepFreezer 1.06 14555458 165.2 150 LHA32 1.88.3.14 14564115 165.3 151 LHARK 0.4d 14571843 165.3 152 DLC 0.6.1 14672708 166.5 153 BJWFLATE 1.54 14753711 167.4 154 RDMC 0.06c 14783483 167.7 155 SYMBRA 0.2 14843240 168.4 156 HIT 2.10 14845671 168.4 157 ZET 0.10b 14865875 168.7 158 LIMIT 1.2 14868331 168.7 159 PKZIP 2.50 14868451 168.7 160 ZAP32 0.15.0b 14871952 168.7 161 AMG 2.2 14872858 168.8 162 HuffComp 1.3 14878310 168.8 163 DZIP 2.90 14928634 169.4 164 vuZIP 1.8 14930430 169.4 165 EAZEL 1.0 14930765 169.4 166 LHA 2.67 14939058 169.5 167 GZIP 1.3.5 14948376 169.6 168 ZIP 2.2 14948761 169.6 169 AIN 2.32 14964305 169.8 170 ESP 1.92 14970505 169.9 171 WINZIP 8.0 14994002 170.1 172 JCALG1 5.32 15047102 170.7 173 ARJ 2.85 15059627 170.9 174 Crush 0.01 15069847 171.0 175 WIN-GZ 1.2 15087157 171.2 176 File2Pack 2.0 15088358 171.2 177 BCArchive 1.08.7 15147600 171.9 178 RAX 1.02 15184339 172.3 179 Windows XP built-in 15283775 173.4 180 HAP 3.06 15290714 173.5 181 BVI 1.70 15461581 175.4 182 aPLib 0.43 15567219 176.6 183 ALZip 7.0 15619459 177.2 184 XPA 1.0.2 15623505 177.3 185 LZA 1.01 15701975 178.2 186 Chaos Comp 3.0 15830671 179.6 187 LCSSR 0.2 15842346 179.8 188 Etincelle RC2 15933095 180.8 189 AR 1.0 15989247 181.4 190 SAR 1.0 15989247 181.4 191 ZOO 2.1 15990584 181.4 192 Archiver 1.0 16028708 181.9 193 ULZ 0.0.2 16030541 181.9 194 BAR 1.1.2 16038084 182.0 195 HiP beta 1 16113154 182.8 196 HYPER 2.5 16469406 186.9 197 LZOP 1.02rc1 16605317 188.4 198 LZC 0.08 16895049 191.7 199 Zhuff 0.2 17293784 196.2 200 ERI 5.1fre 17317756 196.5 201 QuickLZ 1.40b9 17325712 196.6 202 ARX 1.0 17360261 197.0 203 Secura 1.7 17748104 201.4 204 CA-ZIP 3.4 17897153 203.1 205 CODER 1.1 18150341 205.9 206 QPress 0.38b 18394649 208.7 207 BigCrunch 0.4a1 19003791 215.6 208 BriefLZ 1.04 19150759 217.3 209 LCW 0.2 19503456 221.3 210 LZ 1.0 20402392 231.5 211 SRANK 1.0 21222999 240.8 212 LZP2 0.7d 21395263 242.8 213 LZBW1 0.8 23322360 264.6 214 LZRW1 24878204 282.3 215 Shindlet 36659263 416.0 216 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. ©2003-2011 Maximum Compression Werner Bergmans