FastStone Image Viewer might be a bit more popular than PhotoQt. We know about 1 link to it since March 2021 and only 1 link to PhotoQt. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Other possibility to open AVIF is via applications from https://www.gimp.org/ , https://krita.org/ , https://photoqt.org/ and other free open-source applications. Source: about 1 year ago
And also this " faststone.org" that gives me this error:. Source: almost 2 years ago
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