Simple, cross platform tool for lossless trimming/cutting of video and audio files. Great for rough processing of large video files taken from a video camera, GoPro, drone, etc. It lets you quickly extract the good parts from your videos and discard GBs of data without losing quality. It doesn’t do any decoding / encoding and is therefore extremely fast. This app uses the awesome ffmpeg (included) for doing the grunt work.
Since LosslessCut is based on Chromium and uses the HTML5 video player, not all ffmpeg supported formats will be supported. The following formats/codecs should generally work: MP4, MOV, WebM, MKV, OGG, WAV, MP3, AAC, H264, Theora, VP8, VP9 For more information about supported formats / codecs, see https://www.chromium.org/audio-video. Note that the MPEG TS format is not supported. See known issues.
The original video files will not be modified. Instead it creates a lossless export in the same directory as the original file with from/to timestamps. Note that the cut is currently not precise around the cutpoints, so video before/after the nearest keyframe will be lost. EXIF data is preserved.
Press h To show/hide list of shortcuts
For old shortcuts see here: https://github.com/mifi/lossless-cut/blob/41d6991c11b0a82b08344fd22a1ea094af217417/README.md#keyboard-shortcuts
ffmpeg -i input.ts -acodec copy -vcodec copy out.mp4
This app is built using Electron. Make sure you have at least node v6 and yarn installed. The app uses ffmpeg from PATH when developing.
git clone https://github.com/mifi/lossless-cut.git cd lossless-cut yarn
In one terminal:
npm run watch
# Commit changes # Wait for Travis npm version ... # Update CHANGELOG.md # Commit CHANGELOG.md # Push npm run download-ffmpeg npm run extract-ffmpeg npm run build npm run icon-gen npm run package npm run release