image optimizer for web

PNG benchmark web lossless optimization

this test is about how PNG optimizers use automatic image data lossless reductions for web rendering by using the default or the same command on specific data sets

programs

name version filename binary flags
AdvanceCOMP 2.1 advdef.exe 64 -z2
-z3
-z4
AdvanceCOMP 2.1 advpng.exe 64 -z2
-z3
-z4
Efficient Compression Tool 0.8.3 ect-0.8.3.exe 64 -1 -strip
-3 --mt-deflate -strip
-5 --mt-deflate -strip
-9 --mt-deflate -strip
-3 --mt-deflate --mt-file -strip
-5 --mt-deflate --mt-file -strip
-9 --mt-deflate --mt-file -strip
OptiPNG 0.7.7 OptiPNG.exe 32 -fix -o2 -strip all
-fix -o7 -strip all
oxipng 4.0.3 oxipng.exe 64 -o 2 --libdeflater --threads 1 --alpha --strip all
-o 6 --libdeflater --threads 1 --alpha --strip all
-o 2 --libdeflater --alpha --strip all
-o 6 --libdeflater --alpha --strip all
pingo 0.99 pingo.exe 64 -faster -s3 -strip
-s0 -strip
-s3 -strip
-s5 -strip
-s9 -strip
PngOptimizer 2.5 PngOptimizerCL.exe 64 (none)
PNGOUT 02/13/2015 pngout.exe 32 (none)
(trials):
pngout -f0 -s2 -force
pngout -f5 -s2 -ks
pngout -f6 -ks
pngwolf-z 1.1.2 pngwolf.exe 64 --max-evaluations=1 --estimator=libdeflate --out-deflate=zopfli --normalize-alpha --strip-optional
TruePNG 0.6.2.5 TruePNG.exe 32 -o1 -md remove all
-o4
ZopfliPNG 1.0.3 zopflipng.exe 64 --lossy_transparent

sets

data set description total size
alpha setfiles alpha transformations 5 451 997 bytes
bitdepth setfiles bitdepth transformations 1 379 204 bytes
colortype setfiles encoded to each colortype 45 450 214 bytes
content setfiles various image type 57 751 312 bytes
ordered transform setfiles transformation order 22 637 561 bytes
reductions setfiles specific image data transformations 13 339 872 bytes

results

alphafiles

test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 2,11 sec (see) n/a n/a 455 306 bytes
advdef -z3 12,42 sec (see) n/a n/a 459 301 bytes
advdef -z4 49,24 sec (see) n/a n/a 478 873 bytes
advpng -z2 1,94 sec (see) n/a n/a 421 755 bytes
advpng -z3 16,88 sec (see) n/a n/a 424 822 bytes
advpng -z4 46,42 sec (see) n/a n/a 443 940 bytes
ECT -1 3,29 sec (see) n/a 0,77 sec (see) 3 223 483 bytes
ECT -3 6,45 sec (see) 4,85 sec (see) 1,60 sec (see) 3 423 297 bytes
ECT -5 10,02 sec (see) 7,42 sec (see) 2,39 sec (see) 3 425 244 bytes
ECT -9 51,24 sec (see) 24,80 sec (see) 11,44 sec (see) 3 444 198 bytes
OptiPNG -o2 17,98 sec (see) n/a n/a 1 122 696 bytes
OptiPNG -o7 257,37 sec (see) n/a n/a 1 214 170 bytes
oxipng -o2 10,82 sec (see) 5,32 sec (see) n/a 3 211 995 bytes
oxipng -o6 22,17 sec (see) 6,63 sec (see) n/a 3 296 386 bytes
pingo -f -s3 2,11 sec (see) n/a 0,49 sec (see) 3 337 798 bytes
pingo -s0 3,27 sec (see) n/a 0,68 sec (see) 3 415 278 bytes
pingo -s3 5,08 sec (see) n/a 1,08 sec (see) 3 428 891 bytes
pingo -s5 8,88 sec (see) n/a 1,91 sec (see) 3 445 972 bytes
pingo -s9 16,30 sec (see) 9,87 sec (see) 3,03 sec (see) 3 451 651 bytes
PngOptimizer n/a 5,17 sec (see) n/a 3 032 058 bytes
PNGOUT 84,01 sec (see) n/a n/a 467 443 bytes
PNGOUT (t) 143,01 sec (see) n/a n/a 1 273 652 bytes
pngwolf-z 113,41 sec (see) n/a n/a 3 106 207 bytes
TruePNG -o1 12,59 sec (see) n/a n/a 3 366 554 bytes
TruePNG -o4 174,46 sec (see) n/a n/a 3 405 063 bytes
ZopfliPNG 66,22 sec (see) n/a n/a 3 417 976 bytes

bitdepth

bitdepth — 4 bits/pixelsfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 1,87 sec (see) n/a n/a 141 644 bytes
advdef -z3 9,50 sec (see) n/a n/a 148 215 bytes
advdef -z4 39,80 sec (see) n/a n/a 150 990 bytes
advpng -z2 1,88 sec (see) n/a n/a 141 644 bytes
advpng -z3 9,74 sec (see) n/a n/a 148 215 bytes
advpng -z4 39,91 sec (see) n/a n/a 150 990 bytes
ECT -1 0,57 sec (see) n/a 0,34 sec (see) 146 755 bytes
ECT -3 2,32 sec (see) 1,54 sec (see) 0,72 sec (see) 168 747 bytes
ECT -5 3,26 sec (see) 2,18 sec (see) 1,08 sec (see) 170 430 bytes
ECT -9 27,97 sec (see) 14,35 sec (see) 7,05 sec (see) 171 092 bytes
OptiPNG -o2 3,74 sec (see) n/a n/a 150 720 bytes
OptiPNG -o7 36,06 sec (see) n/a n/a 151 077 bytes
oxipng -o2 2,67 sec (see) 1,71 sec (see) n/a 165 705 bytes
oxipng -o6 6,01 sec (see) 2,11 sec (see) n/a 166 171 bytes
pingo -f -s3 0,73 sec (see) n/a 0,28 sec (see) 156 276 bytes
pingo -s0 0,91 sec (see) n/a 0,34 sec (see) 157 183 bytes
pingo -s3 1,44 sec (see) n/a 0,56 sec (see) 165 296 bytes
pingo -s5 1,44 sec (see) n/a 0,55 sec (see) 165 296 bytes
pingo -s9 12,54 sec (see) 8,01 sec (see) 3,02 sec (see) 170 891 bytes
PngOptimizer n/a 1,75 sec (see) n/a 148 942 bytes
PNGOUT 64,75 sec (see) n/a n/a 151 165 bytes
PNGOUT (t) 73,24 sec (see) n/a n/a 154 107 bytes
pngwolf-z 61,36 sec (see) n/a n/a 155 665 bytes
TruePNG -o1 15,12 sec (see) n/a n/a 154 293 bytes
TruePNG -o4 41,69 sec (see) n/a n/a 154 949 bytes
ZopfliPNG 24,01 sec (see) n/a n/a 170 613 bytes
bitdepth — 8 bits/pixelsfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 2,14 sec (see) n/a n/a 198 080 bytes
advdef -z3 11,85 sec (see) n/a n/a 200 223 bytes
advdef -z4 25,21 sec (see) n/a n/a 203 959 bytes
advpng -z2 4,05 sec (see) n/a n/a 214 921 bytes
advpng -z3 23,53 sec (see) n/a n/a 223 847 bytes
advpng -z4 53,57 sec (see) n/a n/a 227 033 bytes
ECT -1 1,33 sec (see) n/a 0,48 sec (see) 150 345 bytes
ECT -3 3,83 sec (see) 2,41 sec (see) 1,05 sec (see) 199 477 bytes
ECT -5 5,56 sec (see) 3,20 sec (see) 1,28 sec (see) 203 229 bytes
ECT -9 38,93 sec (see) 17,49 sec (see) 8,78 sec (see) 205 828 bytes
OptiPNG -o2 9,53 sec (see) n/a n/a 151 015 bytes
OptiPNG -o7 95,19 sec (see) n/a n/a 151 015 bytes
oxipng -o2 5,27 sec (see) 2,94 sec (see) n/a 198 007 bytes
oxipng -o6 13,32 sec (see) 3,74 sec (see) n/a 198 007 bytes
pingo -f -s3 1,72 sec (see) n/a 0,61 sec (see) 181 170 bytes
pingo -s0 2,18 sec (see) n/a 0,71 sec (see) 182 362 bytes
pingo -s3 3,21 sec (see) n/a 0,95 sec (see) 197 983 bytes
pingo -s5 3,21 sec (see) n/a 0,92 sec (see) 197 983 bytes
pingo -s9 32,33 sec (see) 15,99 sec (see) 5,98 sec (see) 227 710 bytes
PngOptimizer n/a 4,69 sec (see) n/a 152 538 bytes
PNGOUT 64,05 sec (see) n/a n/a 197 825 bytes
PNGOUT (t) 64,12 sec (see) n/a n/a 197 825 bytes
pngwolf-z 56,58 sec (see) n/a n/a 204 847 bytes
TruePNG -o1 34,32 sec (see) n/a n/a 149 521 bytes
TruePNG -o4 188,50 sec (see) n/a n/a 155 436 bytes
ZopfliPNG 35,13 sec (see) n/a n/a 204 172 bytes

colortype

colortype — grayscalefiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 5,02 sec (see) n/a n/a 231 575 bytes
advdef -z3 26,24 sec (see) n/a n/a 248 115 bytes
advdef -z4 108,38 sec (see) n/a n/a 279 217 bytes
advpng -z2 not supported 0 bytes
advpng -z3 not supported 0 bytes
advpng -z4 not supported 0 bytes
ECT -1 4,12 sec (see) n/a 0,86 sec (see) 1 113 376 bytes
ECT -3 11,80 sec (see) 9,78 sec (see) 3,61 sec (see) 1 140 809 bytes
ECT -5 20,26 sec (see) 17,57 sec (see) 5,10 sec (see) 1 145 528 bytes
ECT -9 108,88 sec (see) 62,64 sec (see) 24,22 sec (see) 1 161 633 bytes
OptiPNG -o2 15,49 sec (see) n/a n/a 1 123 295 bytes
OptiPNG -o7 175,77 sec (see) n/a n/a 1 126 006 bytes
oxipng -o2 11,56 sec (see) 8,17 sec (see) n/a 1 134 507 bytes
oxipng -o6 27,42 sec (see) 9,37 sec (see) n/a 1 136 061 bytes
pingo -f -s3 3,72 sec (see) n/a 0,76 sec (see) 1 065 231 bytes
pingo -s0 5,11 sec (see) n/a 1,04 sec (see) 1 095 304 bytes
pingo -s3 9,88 sec (see) n/a 1,82 sec (see) 1 152 621 bytes
pingo -s5 22,53 sec (see) n/a 3,77 sec (see) 1 151 565 bytes
pingo -s9 35,92 sec (see) 25,98 sec (see) 6,64 sec (see) 1 193 282 bytes
PngOptimizer n/a 4,08 sec (see) n/a 1 093 316 bytes
PNGOUT 158,28 sec (see) n/a n/a 255 161 bytes
PNGOUT (t) 249,15 sec (see) n/a n/a 1 137 177 bytes
pngwolf-z 172,93 sec (see) n/a n/a 1 197 684 bytes
TruePNG -o1 31,49 sec (see) n/a n/a 1 109 701 bytes
TruePNG -o4 123,80 sec (see) n/a n/a 1 117 239 bytes
ZopfliPNG 111,38 sec (see) n/a n/a 1 189 150 bytes
colortype — truecolorfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 8,71 sec (see) n/a n/a 589 171 bytes
advdef -z3 51,23 sec (see) n/a n/a 626 517 bytes
advdef -z4 219,56 sec (see) n/a n/a 681 493 bytes
advpng -z2 8,57 sec (see) n/a n/a 629 558 bytes
advpng -z3 49,44 sec (see) n/a n/a 666 174 bytes
advpng -z4 216,95 sec (see) n/a n/a 720 847 bytes
ECT -1 6,79 sec (see) n/a 1,50 sec (see) 3 045 389 bytes
ECT -3 25,50 sec (see) 17,65 sec (see) 6,70 sec (see) 3 438 580 bytes
ECT -5 41,20 sec (see) 27,09 sec (see) 9,82 sec (see) 3 560 104 bytes
ECT -9 253,17 sec (see) 114,68 sec (see) 55,78 sec (see) 3 627 081 bytes
OptiPNG -o2 30,47 sec (see) n/a n/a 3 192 188 bytes
OptiPNG -o7 433,18 sec (see) n/a n/a 3 254 957 bytes
oxipng -o2 20,07 sec (see) 12,09 sec (see) n/a 3 344 394 bytes
oxipng -o6 53,40 sec (see) 15,91 sec (see) n/a 3 444 100 bytes
pingo -f -s3 6,20 sec (see) n/a 1,27 sec (see) 3 217 310 bytes
pingo -s0 9,62 sec (see) n/a 1,88 sec (see) 3 335 632 bytes
pingo -s3 18,92 sec (see) n/a 3,28 sec (see) 3 400 953 bytes
pingo -s5 35,07 sec (see) n/a 5,82 sec (see) 3 522 989 bytes
pingo -s9 70,04 sec (see) 41,23 sec (see) 12,07 sec (see) 3 587 676 bytes
PngOptimizer n/a 8,02 sec (see) n/a 3 042 667 bytes
PNGOUT 510,16 sec (see) n/a n/a 653 416 bytes
PNGOUT (t) 641,21 sec (see) n/a n/a 3 379 214 bytes
pngwolf-z 366,99 sec (see) n/a n/a 3 571 773 bytes
TruePNG -o1 29,04 sec (see) n/a n/a 3 232 848 bytes
TruePNG -o4 280,50 sec (see) n/a n/a 3 309 875 bytes
ZopfliPNG 212,29 sec (see) n/a n/a 3 516 176 bytes
colortype — palettedfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 4,64 sec (see) n/a n/a 249 250 bytes
advdef -z3 24,74 sec (see) n/a n/a 265 319 bytes
advdef -z4 101,49 sec (see) n/a n/a 294 067 bytes
advpng -z2 4,62 sec (see) n/a n/a 249 250 bytes
advpng -z3 24,76 sec (see) n/a n/a 265 319 bytes
advpng -z4 103,20 sec (see) n/a n/a 294 067 bytes
ECT -1 2,74 sec (see) n/a 0,74 sec (see) 134 026 bytes
ECT -3 10,02 sec (see) 8,32 sec (see) 3,73 sec (see) 255 343 bytes
ECT -5 14,17 sec (see) 10,16 sec (see) 4,61 sec (see) 282 970 bytes
ECT -9 94,61 sec (see) 49,03 sec (see) 23,15 sec (see) 291 644 bytes
OptiPNG -o2 13,94 sec (see) n/a n/a 136 167 bytes
OptiPNG -o7 170,37 sec (see) n/a n/a 136 315 bytes
oxipng -o2 10,59 sec (see) 6,49 sec (see) n/a 516 137 bytes
oxipng -o6 26,52 sec (see) 8,04 sec (see) n/a 533 490 bytes
pingo -f -s3 2,66 sec (see) n/a 0,57 sec (see) 224 924 bytes
pingo -s0 7,98 sec (see) n/a 1,55 sec (see) 473 190 bytes
pingo -s3 13,02 sec (see) n/a 2,46 sec (see) 522 789 bytes
pingo -s5 16,39 sec (see) n/a 3,96 sec (see) 549 462 bytes
pingo -s9 32,66 sec (see) 19,72 sec (see) 6,83 sec (see) 564 039 bytes
PngOptimizer n/a 7,99 sec (see) n/a 458 629 bytes
PNGOUT 131,95 sec (see) n/a n/a 278 371 bytes
PNGOUT (t) 132,41 sec (see) n/a n/a 277 962 bytes
pngwolf-z 187,13 sec (see) n/a n/a 295 452 bytes
TruePNG -o1 36,30 sec (see) n/a n/a 431 639 bytes
TruePNG -o4 281,68 sec (see) n/a n/a 450 024 bytes
ZopfliPNG 132,87 sec (see) n/a n/a 288 666 bytes
colortype — grayscale+alphafiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 6,29 sec (see) n/a n/a 704 035 bytes
advdef -z3 39,29 sec (see) n/a n/a 727 916 bytes
advdef -z4 478,68 sec (see) n/a n/a 752 335 bytes
advpng -z2 not supported 0 bytes
advpng -z3 not supported 0 bytes
advpng -z4 not supported 0 bytes
ECT -1 7,99 sec (see) n/a 1,61 sec (see) 1 509 686 bytes
ECT -3 17,89 sec (see) 13,00 sec (see) 4,47 sec (see) 1 639 661 bytes
ECT -5 31,07 sec (see) 23,00 sec (see) 7,04 sec (see) 1 684 038 bytes
ECT -9 158,62 sec (see) 83,74 sec (see) 34,71 sec (see) 1 749 502 bytes
OptiPNG -o2 34,62 sec (see) n/a n/a 1 527 487 bytes
OptiPNG -o7 460,27 sec (see) n/a n/a 1 533 424 bytes
oxipng -o2 27,41 sec (see) 12,46 sec (see) n/a 1 704 943 bytes
oxipng -o6 54,78 sec (see) 15,03 sec (see) n/a 1 707 241 bytes
pingo -f -s3 5,28 sec (see) n/a 1,05 sec (see) 1 544 038 bytes
pingo -s0 10,46 sec (see) n/a 2,02 sec (see) 1 684 570 bytes
pingo -s3 17,78 sec (see) n/a 3,09 sec (see) 1 732 946 bytes
pingo -s5 37,65 sec (see) n/a 6,08 sec (see) 1 753 778 bytes
pingo -s9 63,49 sec (see) 44,78 sec (see) 10,69 sec (see) 1 763 993 bytes
PngOptimizer n/a 8,90 sec (see) n/a 1 446 933 bytes
PNGOUT 2114,23 sec (see) n/a n/a 752 732 bytes
PNGOUT (t) 823,64 sec (see) n/a n/a 1 710 880 bytes
pngwolf-z 389,11 sec (see) n/a n/a 1 755 983 bytes
TruePNG -o1 24,99 sec (see) n/a n/a 1 552 726 bytes
TruePNG -o4 350,86 sec (see) n/a n/a 1 577 366 bytes
ZopfliPNG 176,43 sec (see) n/a n/a 1 694 161 bytes
colortype — truecolor+alphafiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 9,72 sec (see) n/a n/a 935 977 bytes
advdef -z3 63,71 sec (see) n/a n/a 987 745 bytes
advdef -z4 530,74 sec (see) n/a n/a 1 039 294 bytes
advpng -z2 8,25 sec (see) n/a n/a 935 977 bytes
advpng -z3 61,97 sec (see) n/a n/a 987 745 bytes
advpng -z4 530,45 sec (see) n/a n/a 1 039 294 bytes
ECT -1 11,01 sec (see) n/a 2,07 sec (see) 3 435 775 bytes
ECT -3 30,84 sec (see) 20,93 sec (see) 7,35 sec (see) 4 140 016 bytes
ECT -5 48,75 sec (see) 32,13 sec (see) 11,35 sec (see) 4 182 379 bytes
ECT -9 265,08 sec (see) 126,32 sec (see) 57,39 sec (see) 4 236 917 bytes
OptiPNG -o2 45,17 sec (see) n/a n/a 3 552 781 bytes
OptiPNG -o7 650,68 sec (see) n/a n/a 3 603 917 bytes
oxipng -o2 43,52 sec (see) 19,07 sec (see) n/a 3 927 977 bytes
oxipng -o6 85,88 sec (see) 23,12 sec (see) n/a 3 970 096 bytes
pingo -f -s3 8,11 sec (see) n/a 1,59 sec (see) 3 891 358 bytes
pingo -s0 12,04 sec (see) n/a 2,19 sec (see) 4 039 026 bytes
pingo -s3 22,54 sec (see) n/a 3,86 sec (see) 4 109 343 bytes
pingo -s5 42,44 sec (see) n/a 6,94 sec (see) 4 196 932 bytes
pingo -s9 81,92 sec (see) 49,63 sec (see) 13,66 sec (see) 4 256 927 bytes
PngOptimizer n/a 12,68 sec (see) n/a 3 404 760 bytes
PNGOUT 1721,46 sec (see) n/a n/a 1 044 938 bytes
PNGOUT (t) 1218,27 sec (see) n/a n/a 3 927 883 bytes
pngwolf-z 427,96 sec (see) n/a n/a 4 095 167 bytes
TruePNG -o1 43,43 sec (see) n/a n/a 3 646 389 bytes
TruePNG -o4 606,18 sec (see) n/a n/a 3 756 225 bytes
ZopfliPNG 261,30 sec (see) n/a n/a 3 973 430 bytes

content

content — chartfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 2,86 sec (see) n/a n/a 313 300 bytes
advdef -z3 14,66 sec (see) n/a n/a 319 437 bytes
advdef -z4 52,20 sec (see) n/a n/a 334 449 bytes
advpng -z2 2,82 sec (see) n/a n/a 599 012 bytes
advpng -z3 15,33 sec (see) n/a n/a 608 082 bytes
advpng -z4 56,43 sec (see) n/a n/a 621 472 bytes
ECT -1 2,29 sec (see) n/a 0,69 sec (see) 547 114 bytes
ECT -3 5,21 sec (see) 3,60 sec (see) 1,44 sec (see) 675 533 bytes
ECT -5 8,07 sec (see) 5,05 sec (see) 2,06 sec (see) 694 507 bytes
ECT -9 57,85 sec (see) 25,10 sec (see) 13,23 sec (see) 700 573 bytes
OptiPNG -o2 13,00 sec (see) n/a n/a 554 419 bytes
OptiPNG -o7 131,91 sec (see) n/a n/a 554 568 bytes
oxipng -o2 6,16 sec (see) 3,61 sec (see) n/a 635 604 bytes
oxipng -o6 16,27 sec (see) 4,59 sec (see) n/a 635 604 bytes
pingo -f -s3 2,01 sec (see) n/a 0,45 sec (see) 615 895 bytes
pingo -s0 2,93 sec (see) n/a 0,64 sec (see) 649 940 bytes
pingo -s3 4,35 sec (see) n/a 0,85 sec (see) 672 267 bytes
pingo -s5 7,40 sec (see) n/a 1,44 sec (see) 714 599 bytes
pingo -s9 15,02 sec (see) 9,11 sec (see) 2,77 sec (see) 739 004 bytes
PngOptimizer n/a 2,84 sec (see) n/a 522 434 bytes
PNGOUT 143,89 sec (see) n/a n/a 333 928 bytes
PNGOUT (t) 141,06 sec (see) n/a n/a 689 475 bytes
pngwolf-z 81,60 sec (see) n/a n/a 739 581 bytes
TruePNG -o1 7,66 sec (see) n/a n/a 566 873 bytes
TruePNG -o4 88,92 sec (see) n/a n/a 640 041 bytes
ZopfliPNG 60,33 sec (see) n/a n/a 695 778 bytes
content — flatfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 4,19 sec (see) n/a n/a 310 615 bytes
advdef -z3 34,69 sec (see) n/a n/a 327 744 bytes
advdef -z4 163,64 sec (see) n/a n/a 358 831 bytes
advpng -z2 4,17 sec (see) n/a n/a 310 615 bytes
advpng -z3 35,05 sec (see) n/a n/a 327 744 bytes
advpng -z4 165,26 sec (see) n/a n/a 358 831 bytes
ECT -1 1,70 sec (see) n/a 0,41 sec (see) 1 520 825 bytes
ECT -3 13,49 sec (see) 9,20 sec (see) 3,56 sec (see) 1 595 450 bytes
ECT -5 22,79 sec (see) 14,99 sec (see) 5,54 sec (see) 1 613 279 bytes
ECT -9 171,36 sec (see) 86,94 sec (see) 35,44 sec (see) 1 616 063 bytes
OptiPNG -o2 13,37 sec (see) n/a n/a 1 266 467 bytes
OptiPNG -o7 163,25 sec (see) n/a n/a 1 344 446 bytes
oxipng -o2 18,28 sec (see) 9,13 sec (see) n/a 1 561 352 bytes
oxipng -o6 39,51 sec (see) 11,58 sec (see) n/a 1 565 222 bytes
pingo -f -s3 2,17 sec (see) n/a 0,47 sec (see) 1 481 677 bytes
pingo -s0 3,76 sec (see) n/a 0,78 sec (see) 1 537 224 bytes
pingo -s3 9,04 sec (see) n/a 1,72 sec (see) 1 579 752 bytes
pingo -s5 12,70 sec (see) n/a 2,29 sec (see) 1 580 305 bytes
pingo -s9 32,53 sec (see) 17,80 sec (see) 5,61 sec (see) 1 613 534 bytes
PngOptimizer n/a 3,18 sec (see) n/a 1 540 780 bytes
PNGOUT 591,92 sec (see) n/a n/a 328 412 bytes
PNGOUT (t) 470,59 sec (see) n/a n/a 1 404 360 bytes
pngwolf-z 235,19 sec (see) n/a n/a 1 575 520 bytes
TruePNG -o1 16,53 sec (see) n/a n/a 1 564 847 bytes
TruePNG -o4 186,51 sec (see) n/a n/a 1 572 436 bytes
ZopfliPNG 140,27 sec (see) n/a n/a 1 581 618 bytes
content — gradientfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 1,75 sec (see) n/a n/a 3 487 377 bytes
advdef -z3 13,89 sec (see) n/a n/a 3 483 815 bytes
advdef -z4 69,79 sec (see) n/a n/a 3 494 126 bytes
advpng -z2 1,46 sec (see) n/a n/a 3 390 062 bytes
advpng -z3 12,42 sec (see) n/a n/a 3 387 750 bytes
advpng -z4 70,20 sec (see) n/a n/a 3 394 081 bytes
ECT -1 3,42 sec (see) n/a 2,46 sec (see) 4 262 698 bytes
ECT -3 6,56 sec (see) 5,77 sec (see) 2,03 sec (see) 4 316 986 bytes
ECT -5 11,97 sec (see) 10,69 sec (see) 4,37 sec (see) 4 335 061 bytes
ECT -9 103,27 sec (see) 88,52 sec (see) 47,73 sec (see) 4 337 541 bytes
OptiPNG -o2 13,03 sec (see) n/a n/a 4 282 653 bytes
OptiPNG -o7 208,19 sec (see) n/a n/a 4 303 530 bytes
oxipng -o2 6,29 sec (see) 4,31 sec (see) n/a 4 306 062 bytes
oxipng -o6 15,44 sec (see) 5,66 sec (see) n/a 4 321 894 bytes
pingo -f -s3 1,82 sec (see) n/a 0,52 sec (see) 4 056 035 bytes
pingo -s0 3,83 sec (see) n/a 1,09 sec (see) 4 312 856 bytes
pingo -s3 4,93 sec (see) n/a 1,13 sec (see) 4 321 563 bytes
pingo -s5 6,80 sec (see) n/a 1,94 sec (see) 4 315 125 bytes
pingo -s9 23,26 sec (see) 18,15 sec (see) 8,38 sec (see) 4 323 759 bytes
PngOptimizer n/a 5,18 sec (see) n/a 4 257 076 bytes
PNGOUT 132,59 sec (see) n/a n/a 3 741 533 bytes
PNGOUT (t) 163,45 sec (see) n/a n/a 4 299 279 bytes
pngwolf-z 138,38 sec (see) n/a n/a 4 315 904 bytes
TruePNG -o1 17,17 sec (see) n/a n/a 4 286 146 bytes
TruePNG -o4 89,21 sec (see) n/a n/a 4 318 272 bytes
ZopfliPNG 128,65 sec (see) n/a n/a 4 324 827 bytes
content — icons-gradientfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 1,86 sec (see) n/a n/a 432 183 bytes
advdef -z3 12,48 sec (see) n/a n/a 439 278 bytes
advdef -z4 51,96 sec (see) n/a n/a 446 489 bytes
advpng -z2 12,83 sec (see) n/a n/a 432 183 bytes
advpng -z3 12,31 sec (see) n/a n/a 439 278 bytes
advpng -z4 52,47 sec (see) n/a n/a 446 489 bytes
ECT -1 4,50 sec (see) n/a 1,10 sec (see) 1 038 146 bytes
ECT -3 7,20 sec (see) 4,88 sec (see) 1,78 sec (see) 1 177 827 bytes
ECT -5 11,56 sec (see) 7,52 sec (see) 2,68 sec (see) 1 193 476 bytes
ECT -9 67,75 sec (see) 27,86 sec (see) 14,23 sec (see) 1 211 058 bytes
OptiPNG -o2 23,38 sec (see) n/a n/a 1 036 756 bytes
OptiPNG -o7 301,00 sec (see) n/a n/a 1 059 101 bytes
oxipng -o2 8,78 sec (see) 4,94 sec (see) n/a 1 138 684 bytes
oxipng -o6 22,24 sec (see) 5,99 sec (see) n/a 1 157 332 bytes
pingo -f -s3 2,46 sec (see) n/a 0,54 sec (see) 1 130 653 bytes
pingo -s0 3,45 sec (see) n/a 0,75 sec (see) 1 144 580 bytes
pingo -s3 5,91 sec (see) n/a 1,43 sec (see) 1 162 345 bytes
pingo -s5 9,81 sec (see) n/a 2,27 sec (see) 1 189 275 bytes
pingo -s9 19,14 sec (see) 9,98 sec (see) 3,57 sec (see) 1 196 976 bytes
PngOptimizer n/a 7,03 sec (see) n/a 982 394 bytes
PNGOUT 124,80 sec (see) n/a n/a 441 043 bytes
PNGOUT (t) 161,81 sec (see) n/a n/a 1 147 411 bytes
pngwolf-z 135,41 sec (see) n/a n/a 1 191 896 bytes
TruePNG -o1 17,27 sec (see) n/a n/a 1 067 430 bytes
TruePNG -o4 303,69 sec (see) n/a n/a 1 103 586 bytes
ZopfliPNG 110,15 sec (see) n/a n/a 1 162 068 bytes
content — icons-realisticfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 1,53 sec (see) n/a n/a 430 752 bytes
advdef -z3 10,57 sec (see) n/a n/a 435 688 bytes
advdef -z4 42,38 sec (see) n/a n/a 445 094 bytes
advpng -z2 1,56 sec (see) n/a n/a 430 752 bytes
advpng -z3 10,97 sec (see) n/a n/a 435 688 bytes
advpng -z4 42,79 sec (see) n/a n/a 445 094 bytes
ECT -1 5,20 sec (see) n/a 1,26 sec (see) 1 613 694 bytes
ECT -3 7,67 sec (see) 5,74 sec (see) 1,96 sec (see) 1 786 581 bytes
ECT -5 13,09 sec (see) 9,79 sec (see) 2,99 sec (see) 1 802 332 bytes
ECT -9 61,84 sec (see) 29,87 sec (see) 12,87 sec (see) 1 825 063 bytes
OptiPNG -o2 22,24 sec (see) n/a n/a 1 541 947 bytes
OptiPNG -o7 337,31 sec (see) n/a n/a 1 575 402 bytes
oxipng -o2 10,36 sec (see) 4,67 sec (see) n/a 1 730 256 bytes
oxipng -o6 20,23 sec (see) 5,56 sec (see) n/a 1 745 019 bytes
pingo -f -s3 2,54 sec (see) n/a 0,58 sec (see) 1 755 304 bytes
pingo -s0 3,58 sec (see) n/a 0,82 sec (see) 1 786 063 bytes
pingo -s3 5,16 sec (see) n/a 1,10 sec (see) 1 796 810 bytes
pingo -s5 10,39 sec (see) n/a 2,11 sec (see) 1 805 352 bytes
pingo -s9 19,66 sec (see) 12,06 sec (see) 3,53 sec (see) 1 815 893 bytes
PngOptimizer n/a 6,43 sec (see) n/a 1 518 453 bytes
PNGOUT 79,24 sec (see) n/a n/a 420 191 bytes
PNGOUT (t) 167,59 sec (see) n/a n/a 1 651 529 bytes
pngwolf-z 117,00 sec (see) n/a n/a 1 797 361 bytes
TruePNG -o1 15,69 sec (see) n/a n/a 1 652 465 bytes
TruePNG -o4 302,45 sec (see) n/a n/a 1 665 338 bytes
ZopfliPNG 82,78 sec (see) n/a n/a 1 740 576 bytes
content — icons-smallfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 4,13 sec (see) n/a n/a 516 146 bytes
advdef -z3 20,41 sec (see) n/a n/a 520 320 bytes
advdef -z4 104,81 sec (see) n/a n/a 544 879 bytes
advpng -z2 2,89 sec (see) n/a n/a 35 769 bytes
advpng -z3 16,07 sec (see) n/a n/a 37 629 bytes
advpng -z4 101,88 sec (see) n/a n/a 43 312 bytes
ECT -1 4,67 sec (see) n/a 0,98 sec (see) 557 877 bytes
ECT -3 9,30 sec (see) 7,58 sec (see) 2,48 sec (see) 734 710 bytes
ECT -5 16,18 sec (see) 13,00 sec (see) 3,71 sec (see) 723 253 bytes
ECT -9 81,90 sec (see) 47,58 sec (see) 16,99 sec (see) 733 824 bytes
OptiPNG -o2 23,32 sec (see) n/a n/a 442 138 bytes
OptiPNG -o7 274,54 sec (see) n/a n/a 451 650 bytes
oxipng -o2 11,67 sec (see) 5,86 sec (see) n/a 688 073 bytes
oxipng -o6 24,71 sec (see) 6,95 sec (see) n/a 690 654 bytes
pingo -f -s3 3,05 sec (see) n/a 0,56 sec (see) 664 706 bytes
pingo -s0 5,02 sec (see) n/a 0,96 sec (see) 696 925 bytes
pingo -s3 7,43 sec (see) n/a 1,37 sec (see) 710 054 bytes
pingo -s5 15,45 sec (see) n/a 2,62 sec (see) 735 141 bytes
pingo -s9 27,51 sec (see) 19,98 sec (see) 5,04 sec (see) 757 562 bytes
PngOptimizer n/a 6,51 sec (see) n/a 500 987 bytes
PNGOUT 182,81 sec (see) n/a n/a 534 258 bytes
PNGOUT (t) 155,34 sec (see) n/a n/a 577 014 bytes
pngwolf-z 155,36 sec (see) n/a n/a 739 638 bytes
TruePNG -o1 16,49 sec (see) n/a n/a 576 994 bytes
TruePNG -o4 293,67 sec (see) n/a n/a 609 863 bytes
ZopfliPNG 98,83 sec (see) n/a n/a 704 252 bytes
content — icons-small-palettefiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 1,47 sec (see) n/a n/a 97 860 bytes
advdef -z3 5,88 sec (see) n/a n/a 94 403 bytes
advdef -z4 42,59 sec (see) n/a n/a 106 844 bytes
advpng -z2 1,40 sec (see) n/a n/a 97 860 bytes
advpng -z3 6,18 sec (see) n/a n/a 94 403 bytes
advpng -z4 40,80 sec (see) n/a n/a 106 844 bytes
ECT -1 1,09 sec (see) n/a 0,42 sec (see) 53 561 bytes
ECT -3 2,33 sec (see) 2,21 sec (see) 0,95 sec (see) 98 881 bytes
ECT -5 3,29 sec (see) 2,67 sec (see) 1,12 sec (see) 102 016 bytes
ECT -9 22,67 sec (see) 12,20 sec (see) 5,05 sec (see) 103 509 bytes
OptiPNG -o2 5,60 sec (see) n/a n/a 53 603 bytes
OptiPNG -o7 61,52 sec (see) n/a n/a 53 611 bytes
oxipng -o2 2,81 sec (see) 1,81 sec (see) n/a 106 495 bytes
oxipng -o6 6,46 sec (see) 2,12 sec (see) n/a 108 562 bytes
pingo -f -s3 0,98 sec (see) n/a 0,28 sec (see) 88 183 bytes
pingo -s0 2,14 sec (see) n/a 0,46 sec (see) 120 152 bytes
pingo -s3 3,30 sec (see) n/a 0,69 sec (see) 125 872 bytes
pingo -s5 4,08 sec (see) n/a 1,12 sec (see) 131 381 bytes
pingo -s9 6,92 sec (see) 5,13 sec (see) 1,54 sec (see) 136 321 bytes
PngOptimizer n/a 3,91 sec (see) n/a 75 190 bytes
PNGOUT 17,20 sec (see) n/a n/a 98 326 bytes
PNGOUT (t) 17,56 sec (see) n/a n/a 98 116 bytes
pngwolf-z 71,73 sec (see) n/a n/a 107 300 bytes
TruePNG -o1 8,39 sec (see) n/a n/a 94 266 bytes
TruePNG -o4 79,95 sec (see) n/a n/a 105 390 bytes
ZopfliPNG 60,76 sec (see) n/a n/a 102 318 bytes
content — picsfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 5,70 sec (see) n/a n/a 2 188 399 bytes
advdef -z3 31,77 sec (see) n/a n/a 1 931 916 bytes
advdef -z4 117,98 sec (see) n/a n/a 2 291 021 bytes
advpng -z2 4,18 sec (see) n/a n/a 0 bytes
advpng -z3 24,34 sec (see) n/a n/a 0 bytes
advpng -z4 90,39 sec (see) n/a n/a 0 bytes
ECT -1 14,09 sec (see) n/a 3,36 sec (see) 2 773 468 bytes
ECT -3 25,82 sec (see) 21,36 sec (see) 5,42 sec (see) 2 802 112 bytes
ECT -5 37,09 sec (see) 29,06 sec (see) 8,21 sec (see) 2 869 313 bytes
ECT -9 139,02 sec (see) 66,74 sec (see) 29,07 sec (see) 3 195 680 bytes
OptiPNG -o2 42,15 sec (see) n/a n/a 2 926 038 bytes
OptiPNG -o7 935,22 sec (see) n/a n/a 3 010 032 bytes
oxipng -o2 15,02 sec (see) 9,91 sec (see) n/a 2 639 572 bytes
oxipng -o6 38,03 sec (see) 13,17 sec (see) n/a 2 698 508 bytes
pingo -f -s3 6,95 sec (see) n/a 1,42 sec (see) 2 427 856 bytes
pingo -s0 11,72 sec (see) n/a 2,26 sec (see) 3 082 592 bytes
pingo -s3 11,64 sec (see) n/a 2,29 sec (see) 3 083 522 bytes
pingo -s5 24,89 sec (see) n/a 4,57 sec (see) 3 112 038 bytes
pingo -s9 46,90 sec (see) 29,05 sec (see) 7,27 sec (see) 3 196 590 bytes
PngOptimizer n/a 11,15 sec (see) n/a 2 332 931 bytes
PNGOUT 162,26 sec (see) n/a n/a 2 048 430 bytes
PNGOUT (t) 148,22 sec (see) n/a n/a 2 618 678 bytes
pngwolf-z 237,66 sec (see) n/a n/a 3 128 184 bytes
TruePNG -o1 40,31 sec (see) n/a n/a 2 996 570 bytes
TruePNG -o4 431,53 sec (see) n/a n/a 3 035 097 bytes
ZopfliPNG 157,31 sec (see) n/a n/a 2 836 598 bytes
content — screenshotsfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 3,03 sec (see) n/a n/a 393 362 bytes
advdef -z3 18,79 sec (see) n/a n/a 403 984 bytes
advdef -z4 124,01 sec (see) n/a n/a 414 885 bytes
advpng -z2 2,85 sec (see) n/a n/a 392 208 bytes
advpng -z3 17,76 sec (see) n/a n/a 388 348 bytes
advpng -z4 124,81 sec (see) n/a n/a 409 779 bytes
ECT -1 3,67 sec (see) n/a 2,07 sec (see) 665 788 bytes
ECT -3 7,42 sec (see) 5,01 sec (see) 2,10 sec (see) 820 788 bytes
ECT -5 11,49 sec (see) 7,35 sec (see) 2,94 sec (see) 837 475 bytes
ECT -9 82,22 sec (see) 37,29 sec (see) 18,80 sec (see) 854 878 bytes
OptiPNG -o2 30,12 sec (see) n/a n/a 674 029 bytes
OptiPNG -o7 340,66 sec (see) n/a n/a 678 306 bytes
oxipng -o2 6,94 sec (see) 4,33 sec (see) n/a 794 413 bytes
oxipng -o6 18,37 sec (see) 5,41 sec (see) n/a 794 413 bytes
pingo -f -s3 2,49 sec (see) n/a 0,96 sec (see) 727 032 bytes
pingo -s0 4,11 sec (see) n/a 1,65 sec (see) 789 155 bytes
pingo -s3 5,08 sec (see) n/a 1,62 sec (see) 794 744 bytes
pingo -s5 7,53 sec (see) n/a 2,10 sec (see) 813 215 bytes
pingo -s9 18,64 sec (see) 11,66 sec (see) 3,62 sec (see) 848 788 bytes
PngOptimizer n/a 8,13 sec (see) n/a 670 195 bytes
PNGOUT 261,27 sec (see) n/a n/a 401 304 bytes
PNGOUT (t) 298,56 sec (see) n/a n/a 784 401 bytes
pngwolf-z 173,07 sec (see) n/a n/a 830 331 bytes
TruePNG -o1 28,80 sec (see) n/a n/a 685 408 bytes
TruePNG -o4 209,85 sec (see) n/a n/a 703 623 bytes
ZopfliPNG 115,88 sec (see) n/a n/a 810 390 bytes
content — spritesfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 4,48 sec (see) n/a n/a 647 286 bytes
advdef -z3 28,14 sec (see) n/a n/a 649 983 bytes
advdef -z4 100,12 sec (see) n/a n/a 667 199 bytes
advpng -z2 4,13 sec (see) n/a n/a 810 820 bytes
advpng -z3 27,53 sec (see) n/a n/a 813 946 bytes
advpng -z4 99,16 sec (see) n/a n/a 830 669 bytes
ECT -1 1,29 sec (see) n/a 0,45 sec (see) 1 460 381 bytes
ECT -3 3,54 sec (see) 2,56 sec (see) 1,25 sec (see) 1 513 712 bytes
ECT -5 5,29 sec (see) 3,60 sec (see) 1,56 sec (see) 1 543 459 bytes
ECT -9 31,75 sec (see) 14,64 sec (see) 7,28 sec (see) 1 546 053 bytes
OptiPNG -o2 10,25 sec (see) n/a n/a 1 023 097 bytes
OptiPNG -o7 118,93 sec (see) n/a n/a 1 138 461 bytes
oxipng -o2 10,93 sec (see) 5,75 sec (see) n/a 1 379 916 bytes
oxipng -o6 22,34 sec (see) 6,93 sec (see) n/a 1 379 916 bytes
pingo -f -s3 1,34 sec (see) n/a 0,33 sec (see) 1 515 201 bytes
pingo -s0 2,51 sec (see) n/a 0,64 sec (see) 1 524 520 bytes
pingo -s3 3,61 sec (see) n/a 0,92 sec (see) 1 537 401 bytes
pingo -s5 4,75 sec (see) n/a 1,34 sec (see) 1 539 332 bytes
pingo -s9 9,53 sec (see) 5,89 sec (see) 2,05 sec (see) 1 550 927 bytes
PngOptimizer n/a 5,18 sec (see) n/a 1 327 351 bytes
PNGOUT 154,58 sec (see) n/a n/a 640 226 bytes
PNGOUT (t) 193,37 sec (see) n/a n/a 998 998 bytes
pngwolf-z 106,16 sec (see) n/a n/a 1 302 037 bytes
TruePNG -o1 10,66 sec (see) n/a n/a 1 479 113 bytes
TruePNG -o4 68,84 sec (see) n/a n/a 1 490 325 bytes
ZopfliPNG 33,34 sec (see) n/a n/a 1 529 385 bytes
content — textsfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 5,29 sec (see) n/a n/a 523 040 bytes
advdef -z3 28,26 sec (see) n/a n/a 522 508 bytes
advdef -z4 329,74 sec (see) n/a n/a 544 089 bytes
advpng -z2 3,99 sec (see) n/a n/a 613 642 bytes
advpng -z3 19,15 sec (see) n/a n/a 609 173 bytes
advpng -z4 314,24 sec (see) n/a n/a 629 023 bytes
ECT -1 9,56 sec (see) n/a 5,62 sec (see) 536 606 bytes
ECT -3 7,53 sec (see) 6,60 sec (see) 2,82 sec (see) 628 178 bytes
ECT -5 11,93 sec (see) 8,95 sec (see) 3,38 sec (see) 659 724 bytes
ECT -9 93,31 sec (see) 68,47 sec (see) 32,61 sec (see) 668 265 bytes
OptiPNG -o2 83,39 sec (see) n/a n/a 536 207 bytes
OptiPNG -o7 488,26 sec (see) n/a n/a 537 005 bytes
oxipng -o2 10,33 sec (see) 6,41 sec (see) n/a 651 308 bytes
oxipng -o6 25,46 sec (see) 7,79 sec (see) n/a 651 308 bytes
pingo -f -s3 3,59 sec (see) n/a 1,49 sec (see) 629 316 bytes
pingo -s0 5,74 sec (see) n/a 2,47 sec (see) 645 610 bytes
pingo -s3 6,98 sec (see) n/a 2,38 sec (see) 660 788 bytes
pingo -s5 8,77 sec (see) n/a 3,06 sec (see) 660 781 bytes
pingo -s9 23,75 sec (see) 17,69 sec (see) 5,33 sec (see) 698 032 bytes
PngOptimizer n/a 21,33 sec (see) n/a 535 126 bytes
PNGOUT 311,60 sec (see) n/a n/a 542 913 bytes
PNGOUT (t) 317,14 sec (see) n/a n/a 535 458 bytes
pngwolf-z 471,16 sec (see) n/a n/a 548 658 bytes
TruePNG -o1 82,87 sec (see) n/a n/a 547 725 bytes
TruePNG -o4 419,15 sec (see) n/a n/a 561 218 bytes
ZopfliPNG 325,73 sec (see) n/a n/a 666 090 bytes

ordered transform

ordered transform — grayscale+alphafiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 5,44 sec (see) n/a n/a 973 bytes
advdef -z3 27,34 sec (see) n/a n/a 210 bytes
advdef -z4 134,17 sec (see) n/a n/a 2 012 bytes
advpng -z2 not supported 0 bytes
advpng -z3 not supported 0 bytes
advpng -z4 not supported 0 bytes
ECT -1 4,38 sec (see) n/a 1,12 sec (see) 12 795 258 bytes
ECT -3 13,26 sec (see) 11,00 sec (see) 4,00 sec (see) 12 127 231 bytes
ECT -5 20,51 sec (see) 15,70 sec (see) 5,51 sec (see) 12 056 040 bytes
ECT -9 90,27 sec (see) 45,70 sec (see) 21,25 sec (see) 12 219 551 bytes
OptiPNG -o2 34,07 sec (see) n/a n/a 1 236 bytes
OptiPNG -o7 728,64 sec (see) n/a n/a 2 609 bytes
oxipng -o2 28,42 sec (see) 12,53 sec (see) n/a 11 474 359 bytes
oxipng -o6 56,53 sec (see) 15,22 sec (see) n/a 11 474 908 bytes
pingo -f -s3 5,42 sec (see) n/a 1,06 sec (see) 11 088 226 bytes
pingo -s0 8,29 sec (see) n/a 1,57 sec (see) 12 770 541 bytes
pingo -s3 15,33 sec (see) n/a 2,68 sec (see) 12 829 141 bytes
pingo -s5 18,57 sec (see) n/a 3,92 sec (see) 12 841 282 bytes
pingo -s9 37,43 sec (see) 23,31 sec (see) 6,78 sec (see) 12 872 645 bytes
PngOptimizer n/a 11,34 sec (see) n/a 0 bytes
PNGOUT 230,34 sec (see) n/a n/a 1 268 bytes
PNGOUT (t) 218,61 sec (see) n/a n/a 1 627 bytes
pngwolf-z 235,51 sec (see) n/a n/a 12 332 bytes
TruePNG -o1 39,89 sec (see) n/a n/a 12 742 123 bytes
TruePNG -o4 266,34 sec (see) n/a n/a 12 807 623 bytes
ZopfliPNG 125,33 sec (see) n/a n/a 12 221 700 bytes
ordered transform — truecolor+alphafiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 11,31 sec (see) n/a n/a 404 bytes
advdef -z3 77,50 sec (see) n/a n/a 758 bytes
advdef -z4 474,91 sec (see) n/a n/a 2 724 bytes
advpng -z2 9,94 sec (see) n/a n/a 52 774 bytes
advpng -z3 73,74 sec (see) n/a n/a 55 626 bytes
advpng -z4 532,10 sec (see) n/a n/a 62 025 bytes
ECT -1 4,19 sec (see) n/a 1,18 sec (see) 2 370 393 bytes
ECT -3 15,85 sec (see) 12,22 sec (see) 4,14 sec (see) 1 056 030 bytes
ECT -5 26,39 sec (see) 20,06 sec (see) 5,95 sec (see) 1 108 747 bytes
ECT -9 91,65 sec (see) 47,85 sec (see) 20,74 sec (see) 1 736 838 bytes
OptiPNG -o2 15,55 sec (see) n/a n/a 2 396 179 bytes
OptiPNG -o7 184,73 sec (see) n/a n/a 2 400 890 bytes
oxipng -o2 12,40 sec (see) 7,65 sec (see) n/a 2 416 573 bytes
oxipng -o6 28,70 sec (see) 9,14 sec (see) n/a 2 422 811 bytes
pingo -f -s3 3,27 sec (see) n/a 0,69 sec (see) 1 672 297 bytes
pingo -s0 8,39 sec (see) n/a 1,58 sec (see) 2 343 435 bytes
pingo -s3 15,86 sec (see) n/a 2,93 sec (see) 2 405 217 bytes
pingo -s5 19,14 sec (see) n/a 4,02 sec (see) 2 420 570 bytes
pingo -s9 38,39 sec (see) 23,98 sec (see) 6,89 sec (see) 2 449 238 bytes
PngOptimizer n/a 12,79 sec (see) n/a 24 640 bytes
PNGOUT 150,21 sec (see) n/a n/a 1 723 789 bytes
PNGOUT (t) 147,22 sec (see) n/a n/a 1 723 312 bytes
pngwolf-z 392,86 sec (see) n/a n/a 98 327 bytes
TruePNG -o1 39,58 sec (see) n/a n/a 2 340 097 bytes
TruePNG -o4 257,89 sec (see) n/a n/a 2 383 110 bytes
ZopfliPNG 125,48 sec (see) n/a n/a 1 751 552 bytes
reductionsfiles
test time — no MT/MP less = better time — with MT less = better time — with MT/MP less = better total savings more = better
advdef -z2 11,89 sec (see) n/a n/a 1 894 740 bytes
advdef -z3 74,90 sec (see) n/a n/a 1 906 675 bytes
advdef -z4 219,34 sec (see) n/a n/a 1 969 155 bytes
advpng -z2 10,41 sec (see) n/a n/a 1 881 887 bytes
advpng -z3 66,96 sec (see) n/a n/a 1 896 045 bytes
advpng -z4 219,47 sec (see) n/a n/a 1 955 451 bytes
ECT -1 11,14 sec (see) n/a 6,11 sec (see) 5 904 851 bytes
ECT -3 24,19 sec (see) 17,20 sec (see) 7,18 sec (see) 6 040 215 bytes
ECT -5 37,12 sec (see) 25,03 sec (see) 10,35 sec (see) 6 155 215 bytes
ECT -9 193,60 sec (see) 98,15 sec (see) 42,25 sec (see) 6 591 966 bytes
OptiPNG -o2 66,36 sec (see) n/a n/a 4 270 781 bytes
OptiPNG -o7 1010,53 sec (see) n/a n/a 4 389 465 bytes
oxipng -o2 41,86 sec (see) 25,45 sec (see) n/a 6 218 744 bytes
oxipng -o6 85,33 sec (see) 29,02 sec (see) n/a 6 345 985 bytes
pingo -f -s3 7,94 sec (see) n/a 2,74 sec (see) 6 287 702 bytes
pingo -s0 16,29 sec (see) n/a 4,99 sec (see) 6 874 797 bytes
pingo -s3 22,87 sec (see) n/a 6,29 sec (see) 6 939 036 bytes
pingo -s5 27,12 sec (see) n/a 7,36 sec (see) 6 944 497 bytes
pingo -s9 68,89 sec (see) 39,16 sec (see) 11,17 sec (see) 7 002 752 bytes
PngOptimizer n/a 28,62 sec (see) n/a 5 573 586 bytes
PNGOUT 731,98 sec (see) n/a n/a 1 917 175 bytes
PNGOUT (t) 878,93 sec (see) n/a n/a 3 865 281 bytes
pngwolf-z 423,32 sec (see) n/a n/a 5 831 357 bytes
TruePNG -o1 84,83 sec (see) n/a n/a 6 333 164 bytes
TruePNG -o4 826,53 sec (see) n/a n/a 6 840 996 bytes
ZopfliPNG 315,99 sec (see) n/a n/a 6 495 694 bytes

results updated on 13 July 2021