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An open-source contact sheet tool


  1. Download the latest release from the Releases page
  2. Download ffmpeg and ffprobe from the official page
  3. Place the appropriate ffmpeg and ffprobe binaries for your platform either:
    • Next to the thumbnailer binary
    • On your PATH


To generate contact sheets run thumbnailer $FILENAME.

By default, contact sheets will be written next to the video file. This can be disabled via the in-place flag.

See thumbnailer -h for a complete list of options.