Shrink large images down to size with a powerful tool built right in to every PC running macOS: Preview

As camera quality increases, so do the file sizes of every image you take with them. Each megapixel adds considerable bulk to your files, and although storage space is getting cheaper, it’s failed to keep pace with the ever-growing size of the images and videos we’re capturing with today’s smartphones.
…
Continue here:
https://www.laptopmag.com/how-to/compress-jpeg-macos-using-preview