Ranking best overall compression program method #2 as listed on http://www.maximumcompression.com (05 July 2010) 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 0.08a 9957870 113.0 007 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 1.10 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 9.15 11281699 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 BSC 2.2.5 11664173 132.4 036 PIM 2.90 11666751 132.4 037 PPMN 1.00b1 km 11733001 133.1 038 GRZipII 0.2.4 11805752 134.0 039 RKUC 1.04 11825088 134.2 040 PPMVC 1.2 11834615 134.3 041 PPMY SSE (9A9) 11835558 134.3 042 PPMd rev J 11868185 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 FlashZIP 0.99b8 11948292 135.6 047 HOOK 1.4 11950372 135.6 048 BWMonstr 0.02 11967621 135.8 049 M1 0.3b 11972113 135.8 050 LZPX(J) 1.2h 11977759 135.9 051 UFA 0.04b1 12033036 136.5 052 Blizzard 0.24b 12035530 136.6 053 BMA 1.35b 12036301 136.6 054 ICEOWS 4.20b 12094203 137.2 055 BSSC 0.95a 12117125 137.5 056 RKIVE 1.92 12194910 138.4 057 LZTurbo 0.95 12204073 138.5 058 SZIP 1.12 12212231 138.6 059 ACB 2.00c 12215499 138.6 060 UHBC 1.0 12238088 138.9 061 CTW 0.1 12309636 139.7 062 SBC 0.970 rev3 12313311 139.7 063 PPMX 0.05 12314165 139.7 064 BCM 0.11 12327793 139.9 065 WinHKI 1.74 12352672 140.2 066 BALZ 1.15 12364886 140.3 067 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 ShipInBottle 1.0 b17 12737327 144.5 088 CHILE 0.5 12740959 144.6 089 WINIMP 1.21 12744029 144.6 090 QAZAR 0.0pre5 12749849 144.7 091 DST 0.91b 12768962 144.9 092 CABARC 1.00.0106 12801613 145.3 093 X1 0.95a 12852652 145.8 094 IMP 1.12 12853035 145.8 095 WinTurtle 1.6.0 12924324 146.6 096 DGCA 1.10 12962432 147.1 097 BIX 1.00b7 12966506 147.1 098 MAR 12974461 147.2 099 GCA 0.9k 13033460 147.9 100 ACE 2.6 13052581 148.1 101 WinACE 2.69 13052829 148.1 102 DCGA b8 13092688 148.6 103 QUANTUM 0.97 13100146 148.6 104 TURTLE 0.07 13110829 148.8 105 BICOM 1.01 13121337 148.9 106 BSA 2.00 13144755 149.1 107 ARHANGEL 1.40 13169564 149.4 108 DACT 0.8.41 13173357 149.5 109 NNTC 13237834 150.2 110 OrangeArchiver 1.05 13265652 150.5 111 BWTZIP 13268400 150.6 112 BZIP 0.21 13348813 151.5 113 BZIP2 1.0.5 13379118 151.8 114 CSC 3.2a6 13379276 151.8 115 PSA 0.91a 13414981 152.2 116 LZXQ 0.4 13487115 153.0 117 PAR 2.00 13491351 153.1 118 EXP 1.0 13502811 153.2 119 PAC 17apr2004 13515568 153.4 120 PACKET 0.91a 13539533 153.6 121 RZIP 2.1 13555841 153.8 122 Tornado 0.4a 13595881 154.3 123 LZDS v2.1 13625557 154.6 124 SR3a 13643600 154.8 125 BZP 0.3 13696214 155.4 126 LGHA 1.1g 13732210 155.8 127 HA 0.999b 13733651 155.8 128 TRANSFORM 1.02 13750394 156.0 129 ASD 0.2.0 13774725 156.3 130 LZAP 0.20.0b 13857867 157.2 131 JAR 1.02 13862146 157.3 132 EXTREME 1.06 13865425 157.3 133 12Ghosts 7.0 13873112 157.4 134 AI 1.1 13890894 157.6 135 CODEC 3.21 13906106 157.8 136 PPMT 0.1 13914385 157.9 137 ARI 2.2 13997766 158.8 138 THOR 0.96 14120888 160.2 139 LZ2A 14144400 160.5 140 KZIP 14-APR-2007 14280477 162.0 141 YAC 1.02 14325263 162.5 142 DCA 1.0.1b 14337289 162.7 143 SEMONE 0.6 14393960 163.3 144 SLUG X 14456960 164.0 145 UC II v3.05b 14551136 165.1 146 DeepFreezer 1.06 14555458 165.2 147 LHA32 1.88.3.14 14564115 165.3 148 LHARK 0.4d 14571843 165.3 149 DLC 0.6.1 14672708 166.5 150 BJWFLATE 1.54 14753711 167.4 151 RDMC 0.06c 14783483 167.7 152 SYMBRA 0.2 14843240 168.4 153 HIT 2.10 14845671 168.4 154 ZET 0.10b 14865875 168.7 155 LIMIT 1.2 14868331 168.7 156 PKZIP 2.50 14868451 168.7 157 ZAP32 0.15.0b 14871952 168.7 158 AMG 2.2 14872858 168.8 159 HuffComp 1.3 14878310 168.8 160 DZIP 2.90 14928634 169.4 161 vuZIP 1.8 14930430 169.4 162 EAZEL 1.0 14930765 169.4 163 LHA 2.67 14939058 169.5 164 GZIP 1.3.5 14948376 169.6 165 ZIP 2.2 14948761 169.6 166 AIN 2.32 14964305 169.8 167 ESP 1.92 14970505 169.9 168 WINZIP 8.0 14994002 170.1 169 JCALG1 5.32 15047102 170.7 170 ARJ 2.85 15059627 170.9 171 WIN-GZ 1.2 15087157 171.2 172 File2Pack 2.0 15088358 171.2 173 BCArchive 1.08.7 15147600 171.9 174 RAX 1.02 15184339 172.3 175 Windows XP built-in 15283775 173.4 176 HAP 3.06 15290714 173.5 177 BVI 1.70 15461581 175.4 178 aPLib 0.43 15567219 176.6 179 ALZip 7.0 15619459 177.2 180 XPA 1.0.2 15623505 177.3 181 LZA 1.01 15701975 178.2 182 Chaos Comp 3.0 15830671 179.6 183 LCSSR 0.2 15842346 179.8 184 Etincelle RC2 15933095 180.8 185 AR 1.0 15989247 181.4 186 SAR 1.0 15989247 181.4 187 ZOO 2.1 15990584 181.4 188 Archiver 1.0 16028708 181.9 189 ULZ 0.0.2 16030541 181.9 190 BAR 1.1.2 16038084 182.0 191 HiP beta 1 16113154 182.8 192 HYPER 2.5 16469406 186.9 193 LZOP 1.02rc1 16605317 188.4 194 LZC 0.08 16895049 191.7 195 Zhuff 0.2 17293784 196.2 196 ERI 5.1fre 17317756 196.5 197 QuickLZ 1.40b9 17325712 196.6 198 ARX 1.0 17360261 197.0 199 Secura 1.7 17748104 201.4 200 CA-ZIP 3.4 17897153 203.1 201 CODER 1.1 18150341 205.9 202 QPress 0.38b 18394649 208.7 203 BigCrunch 0.4a1 19003791 215.6 204 BriefLZ 1.04 19150759 217.3 205 LCW 0.2 19503456 221.3 206 LZ 1.0 20402392 231.5 207 SRANK 1.0 21222999 240.8 208 LZP2 0.7d 21395263 242.8 209 LZBW1 0.8 23322360 264.6 210 LZRW1 24878204 282.3 211 Shindlet 36659263 416.0 212 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. ©2003-2010 Maximum Compression Werner Bergmans