There are lots of use cases when you upload raw images or large images in your WordPress site. Most of the time it happens if you upload images from your smartphone or DSLR camera that has large resoluation.
So if you just upload raw image in your WordPress site, you may need to scale it down automatically for you.
In that case, with this Scale Large Image Threshold plugin you can set your threshold. When any image will reach this threshold, it will be automatically scaled down to your preferred size. So you don’t need
to re-size your large images before uploading to WordPress. Keep capturing your moments and upload. This plugin will help you to resize your image as you want.