gif2apng.exe - batch-convert GIF animations to APNG

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gif2apng.exe is a simple command line tool for batch conversion of animated GIF images to the APNG format. The executable works on Windows and should be usable on Linux under Wine.

How to use it?

The tool can be used either from command line or from Windows Desktop. In the later case, place the tool on your Desktop and then drag and drop files or folders onto it. The tool will automatically convert all GIFs to APNG format and place them in the same folders as the originals.

More information and other tools.


GIF files with invalid animation times will be fixed as follows. If background disposal mode is not specified, frame duration is set to 0.1s, otherwise the frames are merged. Small, but valid frame duration times will be kept unchanged. This may result in your PNG files animating faster than the original GIF files in some browsers (because the browsers artificially limit the speed of GIFs).

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