gThumb ndi yaulere komanso yotseguka yowonera zithunzi komanso yokonza zithunzi yokhala ndi zosankha zosintha zithunzi. Zapangidwa kuti zikhale ndi mawonekedwe oyera komanso osavuta ogwiritsira ntchito ndipo zimatsatira GNOME HIG, zimagwirizanitsa bwino ndi chilengedwe cha GNOME desktop.