Quickly change a H264/H265 MKV video to MOV or MP4 for playback on iPhone.Include an external subtitle into a video.Combine audio and video tracks from separate recordings.Add music to a video (or replace existing audio track).Extract music track from a video and cut it to your needs.

Cut out commercials from a recorded TV show (and re-format from TS to MP4).Edit file metadata and per-stream metadata.

Import segments from: MP4/MKV chapters, Text file, YouTube, CSV, CUE, XML (DaVinci, Final Cut Pro).

View segment details, export/import cut segments as CSV.

View FFmpeg last command log so you can modify and re-run recent commands on the command line.

Saves per project cut segments to project file.

Timeline zoom and frame/keyframe jumping for accurate cutting around keyframes.

Change rotation/orientation metadata in videos.

Apply a per-file timecode offset (and auto load timecode from file).

Take full-resolution snapshots from videos in JPEG/PNG format.

Remux into any compatible output format.

Batch view for fast multi-file workflow.

Losslessly extract all tracks from a file (extract video, audio, subtitle, attachments and other tracks from one file into separate files).

add music or subtitle track to a video file)

Lossless stream editing: Combine arbitrary tracks from multiple files (ex.Lossless merge/concatenation of arbitrary files (with identical codecs parameters, e.g.Losslessly rearrange the order of video/audio segments.Losslessly cut out parts of video/audio (for cutting away commercials etc.).Lossless cutting of most video and audio formats.Everything is extremely fast because it does an almost direct data copy, fueled by the awesome FFmpeg which does all the grunt work. Or you can add a music or subtitle track to your video without needing to encode. It lets you quickly extract the good parts from your videos and discard many gigabytes of data without doing a slow re-encode and thereby losing quality. The main feature is lossless trimming and cutting of video and audio files, which is great for saving space by rough-cutting your large video files taken from a video camera, GoPro, drone, etc. LosslessCut aims to be the ultimate cross platform FFmpeg GUI for extremely fast and lossless operations on video, audio, subtitle and other related media files.

For apple instal LosslessCut 3.56