My go-to local app image optimizer has long been ImageOptim. It’s Mac-only (and free), but they suggest alternatives for other platforms. I reach for ImageOptim usually when I want to optimize a whole bunch of images in a batch. For one-offs, you can’t do much better than Squoosh, a great progressive web app (PWA).
I haven’t seen much innovation in this space in a long time, but recently just saw Convert & Compress and it’s pretty good! It’s got a nice UI for looking at before/after results like Squoosh has, but also does batch processing. The one review left so far mentions SVG support, which I agree would be nice. ImageOptim does that, as does the PWA SVGOMG. Convert & Compress is free-for-now and looks reasonably priced once it’s not anymore.
If you don’t like the UI or features, it feels like this is the kind of app that would be good vibe coding practice.
