Download Instagram videos on your Mac using the Safari browser.

  1. Inspect Element
  2. Select Sources
  3. Select By Type
  4. Select Other
  5. Select mp4 file
  6. Click on Copy Link

Execute the following curl command. Replace the PASTE HERE portion below with the contents from Copy Link. Change your-file-name.mp4 to whatever you like.

curl 'PASTE HERE' --output your-file-name.mp4

Check out instalooter for more advanced options.