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Animated portable network graphics
File type: Bitmap image file
An apng file extension is related to the Animated portable network graphics files.
File type category:
Bitmap image file
Date updated: June 27, 2025
Animated portable network graphics (APNG) is an extension of the PNG format, adding support for animated images.
It is intended to be a replacement for simple animated images that have traditionally used the GIF format, while adding support for 24-bit images and 8-bit transparency.
APNG is a simpler alternative to MNG, providing a spec suitable for the most common usage of animated images on the Internet. APNG is backwards-compatible with PNG; any PNG decoder should be able to ignore the APNG-specific chunks and display a single image.
Use XnView to open *.apng files.
XnView is able to export *.apng to other picture formats.
Software applications that can edit apng files:
On-line services
Software capable of saving apng files:
On-line services
Programs for viewing apng files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Multiplatform
Software apps that export apng files:
Microsoft Windows
Software apps that print apng files:
Multiplatform