Inspect and compare media files...
  • AVSpector
  • reads AVFoundation compatible media files on the Mac.
  • lets you dig deep into AVFoundation classes.
  • shows not just meta-data but most other properties accessible thru the API.
  • presents raw values
  • lets you compare two assets.
  • features a convenient synchronized property selection mode.
  • supports the Touch Bar.

Inspect properties:

Main Window

Properties available thru the AVFoundation API are presented hierarchically.
Properties names are shown as they occur in the API when possible.
Summaries are shown for containers when possible.

View values in various representations:

Detail Data Detail Image Detail Map Detail CMTime Detail Date Detail Player

...and more.
Depending on a value's data-type one or more dedicated viewers are presented.