.APNG - Animated Portable Network Graphics Files

Q

What is APNG? APNG, short name for Animated Portable Network Graphics, is used as the file extension for Animated Portable Network Graphics files. See the sample .VDF file included below.

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A

File Extension: .APNG

MIME Type: image/png

File Content: Animated Portable Network Graphics

.APNG files are Animiated Portable Network Graphics files saved as binary files. Here are the first 64 bytes of a sample .APNG file dumped in HEX values:

89 50 4e 47 0d 0a 1a 0a 00 00 00 0d 49 48 44 52 .PNG........IHDR
00 00 00 64 00 00 00 64 08 06 00 00 00 70 e2 95 ...d...d.....p..
54 00 00 00 08 61 63 54 4c 00 00 00 14 00 00 00 T....acTL.......
00 1c 2d f1 52 00 00 00 1a 66 63 54 4c 00 00 00 ....R....fcTL...

.APNG file sample: Click sample.apng to download.

.APNG files can be created and modified by these software:

ImageJ - Java-based image processing program - Creates and edits .APNG files.
Firefox - Web browser - Diplays .APNG files.

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