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APNG

apng icon

Animated portable network graphics

File type: Bitmap image file

An apng file extension is related to the Animated portable network graphics files.

What is apng file?

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.

How to open apng file?

Use XnView to open *.apng files.

How to convert apng file?

XnView is able to export *.apng to other picture formats.

Suggested software to open apng file:

Associated software actions with the apng file

Software applications that can open apng files:

Microsoft Windows

On-line services

Software applications that can edit apng files:

On-line services

Software capable of saving apng files:

On-line services

Programs for viewing apng files:

Software apps that export apng files:

Microsoft Windows

Software apps that print apng files:

Multiplatform

Related file extensions