apng序列帧png制作工具 APNG apngasm_gui.exe 直接把多个png序列拖到面板中，自动生成APNG动态图片。

apng工具 APNG Assembler is an easy-to-use tool to make Animated PNG from PNG/TGA image sequence. Creates highly optimized APNG files, uses lots of tricks to make them as small as possible. Support zlib, 7zip, Zopfli compression options. GUI version for Windows, CLI versions available for all major OSes. There is also an online version.