El 18/03/23 a las 11:13, Gottfried escribió:
> I need only a small programme
> to convert images to a smaller size. (image converter and resizer)
>
> I installed converseen on an other laptop in Trisquel
> and it works.
> converseen can resize more images at once.

Ah, I see now that converseen is a graphical program for batch 
processing of images. I'm not aware of any equivalent program in Guix.

>
> Imagemagick can only one image resize at once.

No, it does batch processing as well. I don't know what's your exact 
need, but there is an example of batch resizing in 
https://stackoverflow.com/questions/56305138/.

>
> Can gimp resize more images at once?
 From a quick search on the Web, it seems it can, but apparently not as 
straightforwardly as with converseen.