Apparently, HEIC can cut your storage in half without sacrificing image quality. The problem is, JPEG is much more universally compatible with the popular photo software that I use.
The fastest way I've found to bulk resize the images on my Mac is to use this sips command in the Terminal app from the directory containing all of my photos:
Clutter can often lead to unproductive workspaces and loss of enthusiasm to achieve great things. Just staring at a messy desk or an overloaded computer folder can be enough to dampen our motivation.