content: Why trust a new application  Because it's open source and you can verify it's doing what it claims by inspecting the metadata afterwards.  ... when you can just use Gimp for free  Because Gimp is designed for manual image editing, not bulk metadata removal.  ... trusted based on decades of open source review  Using simple-minded heuristics like "hurrr me trust Gimp, me no trust new app" is not a good substitute for logic or actual knowledge.