Run pngcrush on vector-icons

[jaller94]

Reduces their filesize without losing information.

Command used on Manjaro Linux:

find . -name '*.png' -exec mv {} {}.old \; -exec pngcrush {}.old {} \; -exec rm {}.old \;

[jaller94]

  Recompressing IDAT chunks in ./620x300.png.old to ./620x300.png
   Total length of data found in critical chunks            =      7248
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      4522
CPU time decode 0.035868, encode 0.127939, other 0.003549, total 0.173688 sec
  Recompressing IDAT chunks in ./44.png.old to ./44.png
   Total length of data found in critical chunks            =       985
   Best pngcrush method        =   7 (ws 13 fm 0 zl 9 zs 0) =       579
CPU time decode 0.000825, encode 0.004514, other 0.000889, total 0.006807 sec
  Recompressing IDAT chunks in ./120.png.old to ./120.png
   Total length of data found in critical chunks            =      2449
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1414
CPU time decode 0.002892, encode 0.016146, other 0.001017, total 0.021626 sec
  Recompressing IDAT chunks in ./mstile-70.png.old to ./mstile-70.png
   Total length of data found in critical chunks            =      1480
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =       890
CPU time decode 0.001907, encode 0.006203, other 0.001324, total 0.010487 sec
  Recompressing IDAT chunks in ./180.png.old to ./180.png
   Total length of data found in critical chunks            =      3752
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      2170
CPU time decode 0.005308, encode 0.030536, other 0.001659, total 0.039921 sec
  Recompressing IDAT chunks in ./apple-touch-icon-120.png.old to ./apple-touch-icon-120.png
   Total length of data found in critical chunks            =      2340
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1478
CPU time decode 0.003233, encode 0.013169, other 0.001061, total 0.018977 sec
  Recompressing IDAT chunks in ./300.png.old to ./300.png
   Total length of data found in critical chunks            =      6501
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      3898
CPU time decode 0.011875, encode 0.069497, other 0.002416, total 0.087725 sec
  Recompressing IDAT chunks in ./76.png.old to ./76.png
   Total length of data found in critical chunks            =      1723
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =       980
CPU time decode 0.001491, encode 0.008913, other 0.000988, total 0.012271 sec
  Recompressing IDAT chunks in ./apple-touch-icon-76.png.old to ./apple-touch-icon-76.png
   Total length of data found in critical chunks            =      1572
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1000
CPU time decode 0.001855, encode 0.006965, other 0.001337, total 0.011138 sec
  Recompressing IDAT chunks in ./apple-touch-icon-57.png.old to ./apple-touch-icon-57.png
   Total length of data found in critical chunks            =      1195
   Best pngcrush method        =   7 (ws 14 fm 0 zl 9 zs 0) =       753
CPU time decode 0.000957, encode 0.003351, other 0.000616, total 0.005491 sec
  Recompressing IDAT chunks in ./apple-touch-icon-144.png.old to ./apple-touch-icon-144.png
   Total length of data found in critical chunks            =      2883
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1853
CPU time decode 0.004159, encode 0.017514, other 0.001249, total 0.024559 sec
  Recompressing IDAT chunks in ./apple-touch-icon-72.png.old to ./apple-touch-icon-72.png
   Total length of data found in critical chunks            =      1465
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =       924
CPU time decode 0.001353, encode 0.005569, other 0.000692, total 0.008425 sec
  Recompressing IDAT chunks in ./24.png.old to ./24.png
   Total length of data found in critical chunks            =       601
   Best pngcrush method        =   7 (ws 12 fm 0 zl 9 zs 0) =       384
CPU time decode 0.000339, encode 0.001575, other 0.000589, total 0.002760 sec
  Recompressing IDAT chunks in ./152.png.old to ./152.png
   Total length of data found in critical chunks            =      3263
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1902
CPU time decode 0.003720, encode 0.022296, other 0.001641, total 0.029494 sec
  Recompressing IDAT chunks in ./1240x600.png.old to ./1240x600.png
   Total length of data found in critical chunks            =     15754
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =     10917
CPU time decode 0.070052, encode 0.279310, other 0.002811, total 0.358725 sec
  Recompressing IDAT chunks in ./150.png.old to ./150.png
   Total length of data found in critical chunks            =      3146
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1776
CPU time decode 0.002996, encode 0.017989, other 0.000939, total 0.023350 sec
  Recompressing IDAT chunks in ./88.png.old to ./88.png
   Total length of data found in critical chunks            =      1964
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1096
CPU time decode 0.001670, encode 0.011169, other 0.001056, total 0.014815 sec
  Recompressing IDAT chunks in ./apple-touch-icon-180.png.old to ./apple-touch-icon-180.png
   Total length of data found in critical chunks            =      3448
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      2249
CPU time decode 0.005242, encode 0.024051, other 0.001281, total 0.032534 sec
  Recompressing IDAT chunks in ./mstile-150.png.old to ./mstile-150.png
   Total length of data found in critical chunks            =      2918
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1892
CPU time decode 0.005520, encode 0.020862, other 0.001775, total 0.030442 sec
  Recompressing IDAT chunks in ./apple-touch-icon-114.png.old to ./apple-touch-icon-114.png
   Total length of data found in critical chunks            =      2163
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1394
CPU time decode 0.003534, encode 0.014050, other 0.001191, total 0.020426 sec
  Recompressing IDAT chunks in ./50.png.old to ./50.png
   Total length of data found in critical chunks            =      1201
   Best pngcrush method        =   7 (ws 14 fm 0 zl 9 zs 0) =       682
CPU time decode 0.001201, encode 0.006529, other 0.001062, total 0.009543 sec
  Recompressing IDAT chunks in ./mstile-310.png.old to ./mstile-310.png
   Total length of data found in critical chunks            =      6406
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      3943
CPU time decode 0.013693, encode 0.055008, other 0.001822, total 0.074106 sec
  Recompressing IDAT chunks in ./apple-touch-icon-60.png.old to ./apple-touch-icon-60.png
   Total length of data found in critical chunks            =      1264
   Best pngcrush method        =   7 (ws 14 fm 0 zl 9 zs 0) =       787
CPU time decode 0.001365, encode 0.004182, other 0.000852, total 0.007177 sec
  Recompressing IDAT chunks in ./apple-touch-icon-152.png.old to ./apple-touch-icon-152.png
   Total length of data found in critical chunks            =      3034
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =      1995
CPU time decode 0.005690, encode 0.023519, other 0.001694, total 0.033235 sec
  Recompressing IDAT chunks in ./1024.png.old to ./1024.png
   Total length of data found in critical chunks            =     24872
   Best pngcrush method        =   7 (ws 15 fm 0 zl 9 zs 0) =     17273
CPU time decode 0.096998, encode 0.396958, other 0.004201, total 0.508406 sec

[jryans]

Thanks for the contribution!

[MTRNord]

I know this is not a issue but whatabout also using webp for browsers that support webp?