But… this is a built in feature of Adobe Lightroom.[2] And it is not even some hard to find feature. I learned about it in the first tutorial of Adobe Lightroom i ever watched.
1: https://www.adobe.com/products/photoshop-lightroom/batch-edi...
1: https://www.adobe.com/products/photoshop-lightroom/batch-edi...
On the other point though, there's a case to be made for building products to make things easier/better/more discoverable/etc even if when they already exist. One example: there are is ton of screen recorder software out there despite the fact that QuickTime on Mac can record the screen.