JPG Compress 2.2.0 MacOS-圖片壓縮工具
JPGCompress是Mac系統上一款圖片壓縮工具，能夠壓縮jpeg、jpg和png格式的圖片。

JPGCompress能夠將Png格式圖片壓縮到更小的體積而不會丟失任何信息，jpg格式的壓縮有兩種優化方法，有損以及無損，質量設置會降低使用更高質量設置保存的源文件的質量。此選項不影響PNG壓縮。

JPGCompressisusedtocompressjpegfiles.Programsupportslosslessoptimization,whichisbasedonoptimizingtheHuffmantables.Andsocalled"lossy"optimizationwhereinadditiontooptimizingHuffmantablesusercanspecifyupperlimitforJPGquality.

Thequalitysettingwillreducequalityofthosesourcefilesthatweresavedusinghigherqualitysetting.Whilefilesthatalreadyhavelowerqualitysettingwillbecompressedusingthelosslessoptimizationmethod.

Compatibility:OSX10.10orlater64-bit

What'snew:
officialsitedoesnotprovideanyinfoaboutchangesinthisversion.