MediaInfo for Mac is a free and open-source application that provides detailed technical information about multimedia files (videos, audio, images, etc.). It[SQ]s essentially a powerful file inspector, going far beyond what you[SQ]d see in a typical Finder window.

Instead of just showing file size and type, MediaInfo reveals specifics like :

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Video codecs:

(e.g., H.264, HEVC, VP9) and their settings (resolution, bitrate, frame rate, etc.)
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Audio codecs:

(e.g., AAC, MP3, DTS) and their settings (sample rate, bit depth, channels, etc.)
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Container formats:

(e.g., MP4, MKV, AVI)
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Chapters and subtitles:

Presence, type, and language information.
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Metadata:

Information embedded within the file, such as title, artist, album, year, etc.
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General statistics:

File size, duration, and other overall characteristics.

It[SQ]s used by:

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Video editors:

To understand the technical properties of their source material before editing.
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Encoders/transcoders:

To check the settings of encoded files and troubleshoot encoding issues.
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Quality control:

To verify that multimedia files meet specific technical requirements.
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Anyone curious:

To simply learn more about the technical makeup of their media files.

In short, MediaInfo is a valuable tool for anyone working with or simply interested in understanding digital media files on their Mac.