https://ezgif.com/crop
Crop animated images (GIF, APNG, WebP, AVIF)
Free online tool for cropping animated images (GIF, WebP, APNG, AVIF, SVG). Select the area to crop or enter custom width and height.
animated imagescropgifapngwebp
https://www.xnview.com/en/png-viewer/
PNG Viewer — Open .png and Animated PNG (APNG) Free with XnView
XnView is a free PNG viewer for Windows, macOS and Linux. Open, edit and batch convert PNG and animated PNG (APNG) images with full transparency support.
png vieweropenanimatedapngfree
https://caniuse.com/?search=apng
"apng" | Can I use... Support tables for HTML5, CSS3, etc
"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.
can i usesupport tablesapngetc
https://forums.opera.com/topic/2302/apng/5?lang=en-US
APNG | Opera forums
Jun 25, 2014 - Exactly, it's had support for years, and I've used it. I've seen it used a fair bit, and it's only not more widely used because Chromium devs refuse to add it....
apngoperaforums
https://bugzilla.mozilla.org/show_bug.cgi?id=1475395
1475395 - Intermittent image/test/reftest/apng/delaytest.html?bug546272.png | application timed out...
RESOLVED (nobody) in Core - Graphics: ImageLib. Last updated 2018-07-15.
https://gifspeed.com/video-to-apng
Video to APNG Online Free — Convert Video | GIFSpeed | GIFSpeed
Convert video clips to animated PNG files directly in your browser. Set FPS and width, keep transparency-friendly output, and download APNG instantly.
online freevideoapngconvertgifspeed
https://github.com/apngasm/apngasm
GitHub - apngasm/apngasm: The next generation of apngasm, the APNG Assembler. The apngasm CLI tool...
The next generation of apngasm, the APNG Assembler. The apngasm CLI tool and library can assemble and disassemble APNG image files. - apngasm/apngasm
the next generationgithubapngassemblercli
https://forums.opera.com/topic/2302/apng/6?lang=en-US
APNG | Opera forums
Jun 25, 2014 - Safari is getting APNG support; http://caniuse.com/apng Surely its time not for Opera to get it (again)? The web's been stuck needlessly on limited color, no...
apngoperaforums