The first frame of an APNG file is stored as a normal PNG stream, so most standard PNG decoders are able to display the first frame of an APNG file. Webp decoder ignore backgroundcolor when alpha flag is set; Changelog 2.5.0. Before diving into testing, it's worth briefly talking about the formats themselves and what they were designed for. Some of the main concerns arising from this were the inability of applications to negotiate for PNG and APNG, or distinguish between PNG and APNG once received, or for legacy software to even inform users that there are additional frames. Our plans starts with a free plan where you access to all features and free 60 minutes of live testing per month. We have very flexible plans and if they don’t suffice, leave us a message here, and we would help you out. A server-side library exists that allows web browsers that support the canvas tag, but do not support APNG, to display APNGs. I know this has already been asked at uservoice, but we're not getting an answer, despite it being the #3 highest voted idea..And also the topic is 4 years old.. This will require you to use the picture tag to serve up multiple images formats. Despite the fact that there is still a lack of browser support for APNG, I think Photoshop should begin supporting them. I have made a simple script that utilizes the HTML5