QuickLook Video

QuickLook Video is a macOS utility that adds Finder thumbnails, Quick Look previews, and metadata support for many video and audio file types.

Jonathan Harris uk.org.marginal.qlvideo

What is QuickLook Video?

QuickLook Video is a macOS utility that helps Finder show thumbnails, Quick Look previews, and metadata for many media formats that macOS does not fully support on its own. It is designed for people who work with varied video and audio files and want easier browsing in Finder without opening each file first. The app extends preview support for formats such as Matroska, WebM, AVI, Windows Media, Ogg video, and other non-native media containers and codecs. It can make large media collections easier to scan by showing visual previews and file information directly in normal macOS file-management workflows. QuickLook Video is published by Jonathan Harris and is most useful for editors, archivists, collectors, and other users who regularly handle mixed-format media files on Mac.

Key features

  • Show Finder thumbnails for many non-native video and audio formats
  • Preview supported media files with Quick Look in Finder
  • Display metadata for a wider range of media file types
  • Improve browsing of formats such as MKV, WebM, AVI, WMV, and Ogg video
  • Add support for additional video codecs beyond standard macOS handling

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Safety overview

Status: Safe

This is a legitimate Finder and Quick Look helper for media files. Its normal behavior is to read supported audio and video files so macOS can generate thumbnails, previews, and metadata, which is expected for its purpose. If you remove it, Finder may stop showing enhanced previews for some formats, but your media files themselves are not removed. Keep it updated if you rely on newer codec support.

Recommendation: Keep QuickLook Video if you browse or manage mixed-format media files on your Mac. Remove it only if you no longer need expanded Finder previews for those formats or prefer to rely on macOS's built-in support alone.

Common paths

  • /Applications/QuickLook Video.app

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