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FluxCut · Video Editor
Edit gigabyte video files. Zero upload wait.
Cloud video editors make you wait 20 minutes to upload raw footage before you can make a single cut. FluxCut reads your video files directly from your local disk in streaming chunks, composites effects on your GPU via WebGL2, and encodes the final MP4 right on your machine.
Free with a SEMDIV account: exports up to 1080p and 10 minutes.
How it works
- 1
Drop local video clips
Open MP4, WebM, MOV, audio and images instantaneously from your computer.
- 2
Edit at 60 fps
Scrub, split, trim, grade colour and animate keyframes on the multi-track timeline.
- 3
Render MP4 on-device
Export a finished H.264/AAC MP4 in the background using Web Workers.
What you can do with FluxCut
Instant file loading
Even multi-gigabyte clips open immediately because nothing is uploaded over the internet.
4 GB RAM friendly
Streams media in chunks so your browser tab stays fast and responsive.
100% private footage
Unlisted product demos, family videos and client footage never touch a remote server.
Preview equals export
The exact same frame planner and shader pipeline drives both live preview and MP4 export.
Multi-track magnetic timeline
Layer B-roll, picture-in-picture, titles, music and voiceover.
Hardware-accelerated encoding
Uses WebCodecs for fast native H.264 and AAC MP4 output.
More FluxCut workflows
Video Editor →
FluxCut brings a multi-track magnetic timeline, WebGL colour grading and keyframe animation into one editor that runs locally in your browser. Your clips stay on your own device and the final MP4 renders there too.
Video Transitions & Animated Titles →
Give rough cuts a studio finish in minutes. Drop a transition across any cut point for automatic video and audio crossfading, insert animated titles with 40+ Google Fonts, and keyframe position, zoom, rotation and opacity along custom easing curves.
Color Grade & Speed-Ramp Video →
Fix flat lighting, match camera shots, remove a green screen or create smooth slow-motion right in your browser. FluxCut's WebGL2 colour pipeline applies exposure, contrast, temperature, tint, saturation, vignette and LUT looks in real time.
Questions about FluxCut
Why does FluxCut load large videos so fast?
Because FluxCut never uploads your video to a server. It reads frames directly from the file on your hard drive as you scrub.