i can used below link in simple image gallery (free)
{gallery}paris:200:260:1:0{/gallery}
it means caption mode is enable in free version?
and i can used lables.txt to show descriptions?

Hello Amir,

Yes you can use the labels.txt file in the free version as well.

Hi Krikor, is labels.txt options still available in free version for Joomla 4? It seems not.