JPEG 2000 converter or GIMP export?

is there a JPEG 2000 converter or possibility export png, jpg as JPEG 2000 via GIMP?

convert input_image.png -quality 0 output_image.jp2

you need to have imagemagick installed for this.

yay -S imagemagick
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If you want GUI for the task, use XnView MP (AUR) / XnConvert (AUR).

XnView MP :

XnConvert :

I’m not sure though, if batch processing function of XnView MP supports it.

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thank you guys!
It’s a wordpress optimization for a better google ranking, google criticizes old file formats like JPG, PNG etc.
https://developers.google.com/speed/pagespeed/insights/