KubeezCut: Free Open-Source Video Editor That Runs in Your Browser

Not everyone needs a subscription to edit video. KubeezCut is a free, open-source video editor that runs entirely in your browser — no installation, no uploads, no account required. Everything is processed locally on your machine.

Try KubeezCut at editor.kubeez.com

#What Is KubeezCut?

KubeezCut is a fully client-side, multi-track video editing application built on React 19 and TypeScript. It runs in Chrome or Edge 113+ using modern browser APIs — WebGPU, WebCodecs, and the File System Access API. Your files never leave your device.

The project is open-source on GitHub and free to use with no restrictions.

#Multi-Track Timeline

The timeline supports multiple synchronized tracks: video, audio, text, images, and shapes. Advanced editing tools are built in — ripple delete, rolling edits, rate stretching, and track grouping. Frame-accurate rendering is handled by a custom Clock engine.

#GPU-Accelerated Effects

KubeezCut uses WebGPU compute shaders for hardware-accelerated visual effects. Over 40 effects are included:

• Blur: Gaussian, motion, radial, zoom blur
• Color correction: Brightness, curves, hue shift, temperature/tint
• Distortion: Pixelate, twirl, wave, kaleidoscope
• Keying: Chroma key with spill suppression
• Transitions: Dissolve, glitch, light leak, wipe, 3D flip
• Blend modes: 25 compositing modes

All effects run on the GPU, so performance stays smooth even on longer timelines.

#Keyframe Animation

Animate any property over time with a full keyframe editor. Features include:

• Bezier curve editing with easing presets — linear, ease-in, ease-out, spring
• Graph editor for precise curve control
• Dopesheet view and split view visualization

#AI Features — Running Locally

KubeezCut includes two AI tools that run entirely in the browser using WebGPU. No API keys, no server, no data sent anywhere.

Local speech-to-text: Powered by Whisper (Tiny through Large v3 Turbo), transcription happens on your device. Use it to generate captions and subtitles from your audio automatically.

Local text-to-speech: Generate voiceovers from a script directly in the browser. Type your text, select a voice, and render the audio without leaving the editor.

#Export Without Compromise

Video encoding uses the browser's native WebCodecs API — everything happens in-browser, with no server-side rendering. Supported output:

• Formats: MP4, WebM, MOV, MKV
• Codecs: H.264, H.265, VP8, VP9, AV1
• Bitrate: 2–20 Mbps

The final video is encoded and downloaded directly — no wait times, no upload queues.

#Project Management and Autosave

Projects are saved automatically using IndexedDB. You can also export your project as a ZIP file to back it up or share it, and re-import it later to continue editing.

#Why It's Free and Open Source

KubeezCut is the privacy-first, free editing layer in the Kubeez ecosystem. It handles everything you need to assemble and polish your video — on your device, at no cost.

If you need AI-generated video clips, images, or music to add into your timeline, Kubeez has those tools. KubeezCut and Kubeez are designed to work together: generate assets on Kubeez, edit them in KubeezCut.

The source code is available on GitHub. Contributions and feedback are welcome.

#Requirements

• Browser: Chrome or Edge 113+
• Required APIs: WebGPU, WebCodecs, OPFS, File System Access API
• No account, no subscription, no file upload

Open KubeezCut and start editing — free, forever.