圧縮比較表 Version 2.31
圧縮比較はあくまで可逆可能であることが条件です。
またある程度2バイト文字が完全に対応していることも条件です(RK等の海外は文字制限がある様子)
圧縮で同じ拡張子(形式)なら圧縮率は同じではないかという勘違いがあると思いますが、
ソフトによってまったく異なります。同じdll使ったものでも多少のずれがありますが・・・
あと9xとXPではなぜか余分な*.dbを含めてしまう場合があるので一概には言えません。
で、ここではそれを全て実験して試してみました。まー旧PCを使っていたころは
RK、777等を実験するのに各2時間以上かかったときもありました・・・。いまは10倍早い環境だけど・・・
旧WINRAR,winzip,RK,PKZIP等の海外ソフトで¥の含む文字はエラー対象になるので注意。
たとえ日本語版とうたっていてもです。
圧縮時”―ソЫ\噂浬欺圭構蚕十申曾箪貼能表暴予禄兔喀媾彌拿杤歃濬畚秉綵臀藹觸軆鐔饅鷭xx\\”
解凍時”−ポл榎掛弓芸鋼旨楯酢掃竹倒培怖翻慾處嘶斈忿掟桍毫烟痞窩縹艚蛞諫轎閖驂黥哈哄||”
が、問題になります。圧縮後に解凍して総バイト数、ファイル数、大文字小文字をチェックすること。
RK・EXE:特定の文字がエラー対象になって確かな解凍が出来ない。
TAR/BH(EXE):有効なW32アプリではないと出て解凍できず。
ACE:シェアなので30日まで、DOS圧縮の旧ACEの場合は上記の問題となる文字でエラーが起きます。
03/04/28(2.31)
7zipのデフレとデフレ64追加&7z一部修正,Explzh+ACE追加
03/04/14(2.30)
Lhaz内臓7z追加
03/02/12(2.29)
DGC追加
02/10/28(2.28)
ZPR/KTY追加
02/08/29(2.27)
EXPLZH内蔵のZIP追加
02/08/26(2.26)
EXPLZH内蔵のCAB追加
02/08/19(2.25)
EXPLZH内蔵のLZH追加
02/08/05(2.24)
CBT1.033追加
02/08/02(2.23)
ARJ形式の自己解凍追加
02/07/29(2.22)
ZZ形式の自己解凍追加
02/07/22(2.21)
新AMG形式追加
02/07/15(2.20)
Noah+ACE追加、J圧縮し直し
02/07/08(2.19)
7-zip32.dll+FPress追加
日常3の2修正版/世紀末#1修正版
13,893,257バイト(bmp257/wav42/txt1/bms1)
/3,020,305バイト(bmp62/wav21/txt1/bms1) |
7Z (ZELDA2.8R2:7z2.30β18/最高/ソリッド) |
1,997,022 |
14.37% |
896,096 |
29.66% |
7Z (FPress:7-zip32.dll/LZMA/ソ・ヘ) |
1,997,046 |
14.37% |
896,119 |
29.66% |
7Z (ZELDA2.8R2:7z2.30β18/LZMA/ソリッド) |
2,020,238 |
14.54% |
905,826 |
29.99% |
7Z (Lhaz1.10β2/LZMA) |
2,023,729 |
14.56% |
910,002 |
30.12% |
EXE(Explzh:7-zip32.dll/LZMA/ソ・ヘ/UPX) |
2,068,726 |
14.89% |
967,799 |
32.04% |
DGC(α6) |
2,091,350 |
15.05% |
920,835 |
30.48% |
ACE(WINACE2.11/2:xxxo+2048+最高+ソ) |
2,106,727 |
15.16% |
931,668 |
30.84% |
ACE(WINACE2.11/2+2048+最高+ソ) |
2,107,907 |
15.17% |
932,192 |
30.86% |
ACE(WINACE2.11/2+4096+最高+ソ) |
2,109,927 |
15.18% |
932,200 |
30.86% |
ACE(Explzh+ACE:1024:最高:ソリッド) |
2,110,395 |
15.19% |
936,364 |
31.00% |
ACE(Noah+ACE v2_max) |
2,110,921 |
15.19% |
933,906 |
30.92% |
ACE(WINACE2.11/2+1024+最高+ソ) |
2,111,387 |
15.19% |
936,368 |
31.00% |
ACE(Noah+ACE RR) |
2,135,589 |
15.37% |
941,690 |
31.17% |
GCA(連結+ヘッダ・データ圧縮:0.9k) |
2,147,222 |
15.45% |
936,578 |
31.00% |
EXE(ZELDA2.8R2:7z2.30β18/最高/ソリッド) |
2,154,206 |
15.50% |
1,053,278 |
34.87% |
EXE(Explzh:7-zip32.dll/LZMA/ソ・ヘ/W32) |
2,155,254 |
15.51% |
1,054,327 |
34.90% |
EXE(Explzh:7-zip32.dll/LZMA/ソ・ヘ/コンソール) |
2,161,910 |
15.56% |
1,060,983 |
35.12% |
RAR(WINRAR3β5J:ソ、テ・オ・フ自、デ無、2048) |
2,162,752 |
15.56% |
959,864 |
31.78% |
RAR(RarUty:ソリッド・マルチ+WINRAR2.90) |
2,165,255 |
15.58% |
961,365 |
31.83% |
RAR(WINRAR2.90) |
2,165,294 |
15.58% |
961,941 |
31.84% |
RAR(WINRAR3β5J:ソ、テ自、オ自、フ自、2048) |
2,168,560 |
15.60% |
962,147 |
31.85% |
RAR(WINRAR3β5J:ソ、テ自、オ自、フ自、4096) |
2,168,957 |
15.61% |
962,195 |
31.85% |
EXE(WINACE2.11/ace/2:xxxo+2048+最高+ソ) |
2,170,421 |
15.62% |
995,362 |
32.95% |
EXE(WINACE2.11/ace/2+2048+最高+ソ) |
2,171,601 |
15.63% |
995,886 |
32.97% |
EXE(WINACE2.11/ace/2+4096+最高+ソ) |
2,173,621 |
15.64% |
995,894 |
32.97% |
RAR(WINRAR3β5J:ソ、テ自、オ強、フ自、4096) |
2,174,472 |
15.65% |
959,203 |
31.75% |
EXE(WINACE2.11/ace/2+1024+最高+ソ) |
2,175,081 |
15.65% |
1,000,062 |
33.11% |
RAR(WINRAR3β5J:ソ、テ無、オ自、フ無、2048) |
2,176,137 |
15.66% |
955,982 |
31.65% |
RAR(WINRAR3β5J:ソ、テ無、オ強、フ無、4096) |
2,184,187 |
15.72% |
953,019 |
31.55% |
CBT(CBT1.033:高圧縮&ソリッド) |
2,186,146 |
15.73% |
954,630 |
31.60% |
EXE(WINRAR2.90) |
2,188,334 |
15.75% |
984,444 |
32.59% |
KAF(type1,KAF3,3.10互換) |
2,201,560 |
15.84% |
974,041 |
32.24% |
EXE(WINRAR3β5J:ソ、テ・オ・フ自、デ無、2048) |
2,208,344 |
15.89% |
1,006,456 |
33.32% |
EXE(WINRAR3β5J:ソ、テ自、オ自、フ自、2048) |
2,215,152 |
15.94% |
1,008,739 |
33.39% |
EXE(WINRAR3β5J:ソ、テ自、オ自、フ自、4096) |
2,215,549 |
15.94% |
1,008,787 |
33.40% |
EXE(CBT1.033:高圧縮&ソリッド) |
2,219,938 |
15.97% |
988,422 |
32.72% |
EXE(WINRAR3β5J:ソ、テ自、オ強、フ自、4096) |
2,221,064 |
15.98% |
1,005,795 |
33.30% |
EXE(WINRAR3β5J:ソ、テ無、オ自、フ無、2048) |
2,222,729 |
15.99% |
1,002,574 |
33.19% |
CBT(CBT1.03α) |
2,228,183 |
16.03% |
972,923 |
32.21% |
KAF(type1,KAF2,3.09互換) |
2,230,083 |
16.05% |
970,915 |
32.14% |
EXE(WINRAR3β5J:ソ、テ無、オ強、フ無、4096) |
2,230,779 |
16.05% |
999,611 |
33.09% |
7Z (ZELDA2.8R2:7z2.30β18/PPMd/ソリッド) |
2,237,211 |
16.10% |
976,819 |
32.34% |
KAF(type1,KAF1,3.07互換) |
2,237,642 |
16.10% |
972,893 |
32.21% |
777(ZELDA2.8R2:おまかせ+777.exe) |
2,256,774 |
16.24% |
973,490 |
32.23% |
777(Deaces.exe+777.exe) |
2,259,258 |
16.26% |
974,170 |
32.25% |
KAF(type1,KAF3,3.10互換,exe) |
2,262,268 |
16.28% |
997,469 |
33.02% |
CAB(Explzh3.65内蔵使用) |
2,268,286 |
16.32% |
1,015,749 |
33.63% |
CAB(WINACE2.11/最高) |
2,268,286 |
16.32% |
1,019,083 |
33.74% |
EXE(CBT1.03α) |
2,273,240 |
16.36% |
1,017,986 |
33.70% |
EXE(GCA:自己解凍+連結:0.9k) |
2,275,750 |
16.38% |
1,065,106 |
35.26% |
BIX(Noah3:solid+bix.exe) |
2,277,294 |
16.39% |
1,024,621 |
33.92% |
CAB(LZX LEVEL-21/Archway) |
2,294,938 |
16.51% |
1,021,517 |
33.82% |
EXE(Explzh3.65内蔵使用) |
2,295,422 |
16.52% |
1,042,885 |
34.52% |
CAB(ZELDA2.8R2:LZX) |
2,295,426 |
16.52% |
1,018,355 |
33.71% |
CAB(LZX LEVEL-21/Easycab) |
2,296,692 |
16.53% |
1,024,107 |
33.90% |
CAB(LZX LEVEL-21/E'sArchiver) |
2,297,346 |
16.53% |
1,022,197 |
33.84% |
CAB(ExFreeze Neo:LZX) |
2,297,347 |
16.53% |
1,022,198 |
33.84% |
CAB(LZX LEVEL-21/LHAZ) |
2,299,100 |
16.54% |
1,024,787 |
33.92% |
ZZ (Noah.exe+zzlib.dll) |
2,299,631 |
16.55% |
999,273 |
33.08% |
ACE(Noah+ACE v1_max) |
2,302,937 |
16.57% |
1,026,542 |
33.98% |
ACE(WINACE2.11/1.0+4096+最高+ソ) |
2,303,823 |
16.58% |
1,024,984 |
33.93% |
CAB(+LHACA) |
2,307,572 |
16.60% |
1,025,579 |
33.95% |
ZZ (Noah3:max+zzip.exe) |
2,311,757 |
16.63% |
995,656 |
32.96% |
EXE(Noah.exe+zzip.exe) |
2,331,729 |
16.78% |
1,015,628 |
33.62% |
7Z (ZELDA2.8R2:7z2.30β18/BZIP2/ソリッド) |
2,349,235 |
16.90% |
1,013,638 |
33.56% |
EXE(CAB:自己解凍) |
2,360,571 |
16.99% |
1,080,258 |
35.76% |
J (Noah3:best+Jar32.exe) |
2,362,751 |
17.00% |
1,015,919 |
33.63% |
EXE(WINACE2.11/ace/1.0+4096+最高+ソ) |
2,367,517 |
17.04% |
1,088,678 |
36.04% |
TBZ(Lhaplus) |
2,377,203 |
17.11% |
1,012,141 |
33.51% |
TBZ(LHAZ/9) |
2,377,627 |
17.11% |
1,012,473 |
33.52% |
TBZ(*.tar.bz2) |
2,377,658 |
17.11% |
1,012,242 |
33.51% |
ALZ(ALZIP5) |
2,424,010 |
17.44% |
1,032,874 |
34.19% |
SIT(AladdinDropStuff5.1J_WIN) |
2,430,550 |
17.49% |
1,031,206 |
34.12% |
BH (ZELDA2.8R2:圧縮率優先) |
2,438,759 |
17.55% |
1,105,328 |
36.59% |
EXE(ALZIP5:alz) |
2,457,546 |
17.68% |
1,066,410 |
35.30% |
ZIP(Noah+7zip.dll:7-zip:Deflate) |
2,460,829 |
17.71% |
1,067,067 |
35.32% |
ZIP(Noah+7zip.dll:7-zip:Deflate64) |
2,467,229 |
17.77% |
1,067,591 |
35.34% |
BZA |
2,473,780 |
17.80% |
1,036,426 |
34.31% |
ZIP(ZELDA2.8R2:7zip2.30β18/最高) |
2,481,961 |
17.86% |
1,069,194 |
35.40% |
AIZ(ファイルコンパクト) |
2,500,362 |
17.99% |
1,043,397 |
34.54% |
EXE(BZA/Meltice) |
2,529,436 |
18.20% |
1,090,354 |
36.10% |
ZIP(Noah+7zip.dll:zip:7zip) |
2,539,597 |
18.27% |
1,086,300 |
35.96% |
CAB(ZELDA2.8R2:MSZIP) |
2,543,392 |
18.30% |
1,053,843 |
34.89% |
CAB(MSZIP) |
2,543,655 |
18.30% |
1,054,045 |
34.89% |
CAB(ALZIP5) |
2,543,676 |
18.30% |
1,053,959 |
34.89% |
CAB(ファイルコンパクト) |
2,546,051 |
18.32% |
1,054,713 |
34.92% |
EXE(SelfMelt:自己解凍:コンソール) |
2,549,199 |
18.34% |
1,094,520 |
36.23% |
BH (Arccomp.exe本家?) |
2,551,131 |
18.36% |
1,092,333 |
36.16% |
ZIP(ZELDA2.8R2:圧縮率優先) |
2,551,739 |
18.36% |
1,096,830 |
36.31% |
LZH(lzh 5/Easylzh:ハフマン8K) |
2,554,486 |
18.38% |
1,095,421 |
36.26% |
EXE(SelfMelt:自己解凍:GUI) |
2,554,833 |
18.38% |
1,100,154 |
36.42% |
GZA |
2,554,884 |
18.38% |
1,093,304 |
36.19% |
LZH(lzh 5/Easylzh:ハフマン4K) |
2,556,557 |
18.40% |
1,099,154 |
36.39% |
YZ2A6(Yz2α6) |
2,558,432 |
18.41% |
1,113,190 |
36.85% |
EXE(EasyMelt:自己解凍) |
2,558,491 |
18.41% |
1,109,280 |
36.72% |
LZH(lzh 5/Easylzh:ハフマン16K) |
2,559,425 |
18.42% |
1,094,038 |
36.22% |
LZH(lzh 5/Easylzh:ハフマン32K) |
2,562,562 |
18.44% |
1,093,375 |
36.20% |
LZH(lzh 5/Lhmelt:8K) |
2,562,613 |
18.44% |
1,097,716 |
36.34% |
LZH(lzh 5/LHAZ) |
2,565,675 |
18.46% |
1,094,306 |
36.23% |
JAR(ZELDA2.8R2:圧縮率優先) |
2,565,954 |
18.46% |
1,096,830 |
36.31% |
ZIP(PentaZipper) |
2,566,042 |
18.46% |
1,096,598 |
36.30% |
LZH(lzh 5/あっかい,Archway,詩子) (Lhmelt:16K) |
2,567,552 |
18.48% |
1,096,333 |
36.29% |
ZIP(WINRAR/最高圧縮) |
2,570,259 |
18.50% |
1,098,140 |
36.38% |
LZH(EXPLZH3.64内蔵使用) |
2,570,482 |
18.50% |
1,095,391 |
36.26% |
LZH(salha.exe) |
2,570,742 |
18.50% |
1,097,099 |
36.32% |
LZH(lzh 5/Lhmelt:32K) |
2,570,689 |
18.50% |
1,095,670 |
36.27% |
LZH(lzh 5/Deaces,KAF,Explzh) (ファイルコンパクト,E'sArchiver) |
2,570,863 |
18.50% |
1,097,268 |
36.32% |
ZIP(ExFreeze Neo:DefX) |
2,570,867 |
18.50% |
1,097,984 |
36.35% |
ZIP(Lhaplus) |
2,570,879 |
18.50% |
1,097,984 |
36.35% |
LZH(lzh 5/Noah3) |
2,570,940 |
18.50% |
1,097,345 |
36.33% |
ZIP(WINACE2.11/最高) |
2,571,052 |
18.50% |
1,097,949 |
36.35% |
JAR(WINACE2.11/最高) |
2,571,052 |
18.50% |
1,097,949 |
36.35% |
ARJ(Noah3:MAX+Arj.exe) |
2,571,253 |
18.50% |
1,100,610 |
36.44% |
ZIP(ALZIP5) |
2,572,184 |
18.51% |
1,097,130 |
36.32% |
JAR(ALZIP5) |
2,572,184 |
18.51% |
1,097,130 |
36.32% |
ZIP(LEVEL 9/Archway,Easyzip,Lhmelt) |
2,573,867 |
18.52% |
1,098,808 |
36.38% |
LZH(lzh 6) |
2,576,995 |
18.54% |
1,101,457 |
36.46% |
EXE(LHAZ、自己解凍) |
2,578,476 |
18.55% |
1,107,107 |
36.65% |
ZIP(LEVEL 9/KAF,E'sArchiver) |
2,578,683 |
18.56% |
1,100,168 |
36.42% |
ZIP(LEVEL 9/Deaces,RarUty,Noah) |
2,578,683 |
18.56% |
1,100,169 |
36.42% |
ZIP(Explzh3.66内蔵使用) |
2,578,801 |
18.56% |
1,100,286 |
36.42% |
ZIP(LEVEL 9/LHAZ) |
2,578,802 |
18.56% |
1,100,268 |
36.42% |
ARJ(WinPack) |
2,580,040 |
18.57% |
1,103,796 |
36.54% |
LZH(lzh 7) |
2,582,635 |
18.58% |
1,102,375 |
36.49% |
LHA(WinPack) |
2,583,531 |
18.59% |
1,100,636 |
36.44% |
EXE(EXPLZH3.64内蔵使用) |
2,588,402 |
18.63% |
1,113,311 |
36.86% |
LZH(lha/Deaces.exe:LH5,6,7) |
2,589,442 |
18.63% |
1,103,299 |
36.52% |
BH (JapanZIP) |
2,589,482 |
18.63% |
1,129,084 |
37.38% |
LZH(ZELDA2.8R2:LH5-xUNLHA32.dll) |
2,589,779 |
18.64% |
1,125,107 |
37.25% |
EXE(WinRAR:ZIP/自己解凍) |
2,590,227 |
18.64% |
1,118,108 |
37.01% |
LZH(ALZIP5) |
2,590,311 |
18.64% |
1,104,223 |
36.55% |
CAB(WinPack) |
2,590,607 |
18.64% |
1,106,197 |
36.62% |
LZH(Lhaplus) |
2,592,187 |
18.65% |
1,125,787 |
37.27% |
LZH(ExFreeze Neo:LHA5) |
2,592,188 |
18.65% |
1,125,788 |
37.27% |
LZH(WINACE2.11/最高) |
2,592,190 |
18.65% |
1,125,787 |
37.27% |
BH (ALZIP5) |
2,593,983 |
18.67% |
1,126,291 |
37.29% |
ZIP(JapanZIP) |
2,595,018 |
18.67% |
1,103,887 |
36.54% |
EXE(lzh 5/自己解凍) |
2,595,200 |
18.67% |
1,123,981 |
37.21% |
BH (Lhaplus) |
2,596,391 |
18.68% |
1,126,971 |
37.31% |
EXE(Noah3:MAX+Arj.exe) |
2,597,389 |
18.69% |
1,123,290 |
37.19% |
ZIP(AladdinDropStuff5.1J_WIN) |
2,598,989 |
18.70% |
1,104,585 |
36.57% |
ZIP(WinPack) |
2,599,000 |
18.70% |
1,104,612 |
36.57% |
EXE(ZELDA2.8R2:圧縮率優先) |
2,600,901 |
18.72% |
1,130,622 |
37.43% |
ZIP(詩子) |
2,601,907 |
18.72% |
1,105,343 |
36.59% |
EXE(Explzh3.66内蔵使用) |
2,602,353 |
18.73% |
1,123,838 |
37.20% |
NOA |
2,604,166 |
18.74% |
1,105,272 |
36.59% |
EXE(Lhaplus:ZIP、自己解凍) |
2,604,673 |
18.74% |
1,131,776 |
37.47% |
TGZ(LHAZ/9) |
2,606,175 |
18.75% |
1,107,606 |
36.67% |
ZIP(+LHACA) |
2,606,723 |
18.76% |
1,106,703 |
36.64% |
ZIP(Explzh) |
2,606,841 |
18.76% |
1,106,821 |
36.64% |
EXE(GZA/Meltice) |
2,614,636 |
18.81% |
1,151,328 |
38.11% |
EXE(WinPack) |
2,620,395 |
18.86% |
1,137,503 |
37.66% |
EXE(WINACE2.11/zip/最高) |
2,622,087 |
18.87% |
1,148,984 |
38.04% |
EXE(WINACE2.11/jar/最高) |
2,622,087 |
18.87% |
1,148,984 |
38.04% |
TGZ(WINACE2.11/.tar.gz/最高) |
2,623,600 |
18.88% |
1,106,099 |
36.62% |
EXE(lzh/Lhaplus) |
2,623,931 |
18.88% |
1,157,531 |
38.32% |
SIT(WinPack) |
2,624,573 |
18.89% |
1,106,805 |
36.64% |
TGZ(Lhaplus) |
2,633,897 |
18.95% |
1,110,895 |
36.78% |
EXE(WinPack) |
2,635,864 |
18.97% |
1,141,476 |
37.79% |
TGZ(*.tar.gz) |
2,636,692 |
18.97% |
1,113,924 |
36.88% |
ZIP(ファイルコンパクト) |
2,651,551 |
19.08% |
1,115,992 |
36.94% |
LZH(+LHACA) |
2,654,372 |
19.10% |
1,115,919 |
36.94% |
YZ1 |
2,662,189 |
19.16% |
1,125,776 |
37.27% |
EXE(UNZIP/自己解凍) |
2,668,284 |
19.20% |
1,189,768 |
39.39% |
EXE(Deaces:zip9/自己解凍) |
2,668,401 |
19.20% |
1,189,886 |
39.39% |
EXE(ALZIP5:ZIP) |
2,669,309 |
19.21% |
1,140,766 |
37.76% |
EXE(+Lhaca、自己解凍) |
2,692,494 |
19.37% |
1,142,027 |
37.81% |
TGZ(ALZIP5) |
2,697,306 |
19.41% |
1,120,479 |
37.09% |
LZH(lzh 1/Deaces.exe) |
2,697,680 |
19.41% |
1,111,090 |
36.78% |
EXE(yz1/自己解凍) |
2,704,177 |
19.46% |
1,167,764 |
38.66% |
LZH(JapanZIP) |
2,737,825 |
19.70% |
1,127,524 |
37.33% |
EXE(?/JapanZIP、自己解凍) |
2,767,009 |
19.91% |
1,156,708 |
38.29% |
AMG(試用版・旧AMG) |
2,772,237 |
19.95% |
1,148,674 |
38.03% |
AMG(試用版・新AMG) |
2,772,238 |
19.95% |
1,145,428 |
37.92% |
ZPR(ZPR Archive 0.64) |
2,789,773 |
20.08% |
1,126,998 |
37.31% |
EXE(AMG:自己解凍試用版/旧AMG) |
2,796,817 |
20.13% |
1,170,254 |
38.74% |
EXE(AMG:自己解凍試用版/新AMG) |
2,796,958 |
20.13% |
1,170,004 |
38.73% |
CBT(CBT1.03α/低速) |
2,889,377 |
20.79% |
1,110,433 |
36.76% |
EXE(CBT1.03α/低速) |
2,934,429 |
21.12% |
1,155,490 |
38.25% |
KTY(KTY Archive 1.1) |
3,156,270 |
22.71% |
1,249,156 |
41.35% |
ARC(WinPack) |
3,252,767 |
23.41% |
1,373,177 |
45.46% |
AMZ(試用版) |
3,583,377 |
25.79% |
1,364,830 |
45.18% |
EXE(AMZ:自己解凍試用版) |
3,607,957 |
25.96% |
1,389,420 |
46.00% |
|
某所で圧縮比較を色々やっていたんですが、それって単に拡張子ごとであったり、
非可逆が混じっていたり(2バイト文字対応)どうもしっくりこなかったので作ってみる。
これがまた面白いことにソフトによって圧縮エンジンを内蔵した物は
ほぼ全て圧縮率が違うという結果がでる。しかしここまで膨れ上がると確認が死ぬほど大変。
これからもどしどし新しい物を見つけ次第追加していきます。
ここにのっていないソフトがありましたらご連絡いただけると幸いです。
追記
よくどのアーカイバがいいとか某所で目にしますが、
操作性を考えず圧縮率だけを見た場合はLhacaはあまりよくありません。
解凍はどのソフトも基本的に大丈夫でしょうが、個人的にはdll使用したほうが無難です。
まあ私は圧縮ではNoah、GCA、EXPLZH、WINRARと使い分けてます。
解凍はeo、Noahを使用。アイコンはLhasaを使ってます(^^)