APNGb: macOS app which assembles and disassembles animated png files

APNGb is a macOS app which creates animated png from a series of png frames and disassembles animated png into a series of png frames. Assembling has optimization and compression capabilities, option to change frame delay for all or selected frames, playback options. See Assembling feature and Disassembling feature sections for more details. App supports macOS 10.11 and above.

Why apng is better than gif ?

Both GIF and APNG are lossless, but APNG tend to be smaller in size and provides better image quality (color, transparency). APNG is supported by web-browsers like Safari (both macOS and iOS), Firefox (desktop and Android), Chrome (add-ons), Opera (v12 and earlier).