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FluxCut · Video Editor
Color grade, chroma key and speed-tune video in your browser.
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.
Free with a SEMDIV account: full colour grading, chroma key and speed controls included.
How it works
- 1
Select your video clip
Open your clip on the FluxCut timeline.
- 2
Dial in colour & speed
Adjust exposure, temperature, contrast, vignette, chroma key or playback speed.
- 3
Export graded MP4
Render the colour-graded video locally in your browser.
What you can do with FluxCut
WebGL2 real-time grading
Zero-lag sliders for exposure, contrast, saturation, temperature, tint, highlights, shadows and vignette.
One-click colour looks
Apply cinematic warm, cool, vintage, monochrome and high-contrast presets.
Chroma key (green screen)
Key out green or blue backgrounds with adjustable similarity and smoothness.
Speed & audio pitch control
Speed up timelapses or slow down action shots with clean audio gain envelopes.
Keyframeable colour & blur
Animate colour intensity, blur or opacity over time using keyframes.
3-band audio EQ
Shape low, mid and high frequencies alongside visual grading.
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.
Private No-Upload Video Editor →
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.
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.
Questions about FluxCut
Can I animate colour or blur changes over time?
Yes. Exposure, contrast, saturation, blur and opacity all support keyframe animation along the clip timeline.