LosslessCut
LosslessCut edits video and audio without re-encoding, with the project source available on GitHub.
About LosslessCut
LosslessCut is a desktop graphical interface for FFmpeg that trims and cuts video and audio files without re-encoding them. Because it copies the existing data rather than recompressing it, it avoids quality loss and runs quickly. The project describes its main use as rough-cutting large files from cameras, GoPro devices, and drones to remove unwanted sections and save storage space.
Beyond cutting, the tool can rearrange and merge segments, edit and extract individual tracks, take frame snapshots, and save cut segments to a project file. Some functions have limits: smart cut is marked experimental, batch export is not yet available, and lossless merging requires files with identical codec parameters. The project is open source and its source code is hosted on GitHub.
Key features
- Lossless cutting of most video and audio formats
- Smart cut (experimental) for removing sections such as commercials
- Lossless rearrangement and merging of video and audio segments
- Multi-track editing: add, remove, extract, or replace individual tracks
- Full-resolution snapshots and frame exports in JPEG or PNG format
- Per-project saving of cut segments, with import and export of segment lists
Best for: People who need to trim large video files from cameras, GoPro devices, or drones without losing quality.
Good for
- Lossless operations avoid re-encoding, so original quality is kept
- Open source, with the source code available on GitHub
Watch out for
- Smart cut is listed as experimental
- Batch or mass export is not yet available
- Lossless merging requires files with identical codec parameters
LosslessCut at a glance
- Website
- github.com/mifi/lossless-cut
- Category
- Design & Creative › Video Editing & Animation
- Type
- Open-source project
- Pricing
- Not confirmed. Check the site
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 6, 2026 · Online when checked
- Listed
- Oct 5, 2026
Guides for Video Editing & Animation
LosslessCut alternatives
Tools and sites you could use instead, ranked by how closely they match.
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wide.video edits HD and 4K video locally in the browser, with AI captions, background removal, and smooth-motion tools listed on its site.
MKVToolNix provides tools for creating and working with Matroska files, with source and release information on Codeberg.
For web and video, Friction supports vector and raster animation through its motion graphics application.
Create 2D and 3D motion graphics and visual effects with Autograph, which is available for free.
suckless-cut recreates selected LosslessCut features in the mpv video player through a Lua script.
Open source
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LosslessCut FAQ
Does LosslessCut re-encode video when cutting?
Its main feature is lossless cutting, which performs an almost direct data copy instead of a slow re-encode, so quality is not reduced.
Can I export many files at once?
Not yet. The project notes that mass or batch export is not available, although the multi-file workflow is supported.
Where can I find the source code?
The project is open source and hosted at github.com/mifi/lossless-cut.
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