When viewing HEIC images with QuickLook from Finder on my MacBook Pro (2019) there is always a slight delay of almost a second. Other formats (jpg/png) work just fine.
When viewing the images in Photos they show up instantly.
Can this be fixed?
Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.Visit Stack Exchange
Ask Different is a question and answer site for power users of Apple hardware and software. It only takes a minute to sign up.Sign up to join this community
Since I found no fix I wrote a small app that uses macOS components to display the HEIC instantly.
Info.plist). Also, it unzips to
Contentsso I'm guessing that zip did not include the app directory but instead the Contents directory. Jan 11, 2021 at 10:35
Another possibility is using a third-party app such as ApolloOne. I have tried and succeeded in skimming through 50 HEIC files in just a couple of seconds. In contrast, QuickLook took nearly a whole second to view each individual HEIC file.
Finderon macOS is overall slow.