APNG Assembler is designed for creating APNG animation from PNG/TGA image sequences.

APNG Assembler includes several optimization techniques for making APNG files as small as possible, like inter-frame optimization utilizing alpha-blend and disposes of operations, smaller than the full-size subframes, dirty transparency, color type, and palette optimizations, and various compression options: Zlib, 7zip, Zopfli.

Command-line version is available for all major operating systems and GUI version for Windows - both of which are included in the MajorGeeks download. C++ source code is available under the Zlib license.

APNG Assembler Features:

Inter frame optimization

Palette and color type optimizations

Compression options: zlib, 7zip, Zopfli

CLI and GUI versions available

OS-independent source code under zlib license