org-fragtog maybe?
https://github.com/io12/org-fragtog
(I have not managed to make it work myself but I haven't tried hard.)

/Martin

On Wed, 27 May 2020 at 08:21, Faye Jackson <justalittleepsilon@gmail.com>
wrote:

> Hi!
>
> I think the subject of the post says it all. While using org-mode I often
> have a lot of LaTeX fragments scattered in my documents for mathematics,
> and I typically use the startup functionality to load all those previews
> when a file is loaded.
>
> Due to this, I'd be really interested in seeing an option to make that
> process asynchronous, so that it doesn't block me while I'm trying to view
> a document. I looked into doing this using emacs-async and emacs advice,
> but the org-mode project is fairly complex and this seems like a feature
> that would be nice to include by default.
>
> Thanks,
>
> -- Fay