LosslessCut: The Swiss Army Knife of Lossless Video/Audio Editing


Shave gigabytes off video and audio files in seconds without loss of quality

LosslessCut by MIKAEL FINSTAD has come with a major overhaul and a lot of new features. With thousands of happy users it has become one of the go-to tools for lossless video and audio processing.


  • Losslessly trim or cut out parts of video/audio
  • Lossless merge/concatenation of arbitrary files (identical codec parameters)
  • Lossless stream editing: Combine arbitrary tracks from multiple files
  • Losslessly extract all tracks from a file
  • Remux into any compatible output format
  • Take full-resolution snapshots from videos in JPEG/PNG format
  • Apply a per-file timecode offset in the preview
  • Change rotation/orientation metadata in videos
  • Powerful timeline with zoom and frame/keyframe jumping
  • Auto-saves per project cut segments to file
  • View ffmpeg last command log so you can modify and re-run modify recent commands on the command line
  • Give labels to cut segments
  • Segment panel showing segments with details, export/import cut segments as CSV
  • Video thumbnails and audio waveform

Other usage scenarios

  • Cut out commercials from a recorded TV show
  • Remove audio or video track from a file
  • Add music to a video (or replace existing audio track)
  • Include a subtitle into a video
  • Extract music, video or subtitle track from a video and cut it to your needs
  • Change format of a H264 TV recording from TS to MP4
  • Fix rotation of a video that has the wrong orientation flag set, e.g. phone recording
  • Quickly change a H264 MKV video to MOV or MP4 for playback on iPhone
  • Import a list of cut times from other tool as a EDL (edit decision list, CSV) and run these cuts with LosslessCut
  • Export a list of cut times as a CSV EDL and run these in another tool
  • Loop a video / audio clip X times quickly without re-encoding

* Which function is available depends on the file in question and which format/codec this file has
* This app is not for exact cutting. Start cut time will be “rounded” to the nearest previous keyframe, which may be a fraction of a second before your desired cut point, or up to several seconds, depending on the encoding.

See more at https://mifi.no/lossless-cut​

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