Most video editors upload your footage the moment you start. Your raw clips move to a server you don't control, processed by infrastructure you can't audit. AetherCut works differently — and you can verify it yourself in under 60 seconds.
Here's the full technical breakdown.
The Architecture: Why Nothing Leaves Your Device
AetherCut runs inside a browser tab. No install. No account required to start. Every processing operation — cutting, captioning, chroma key, export — executes locally using three browser APIs that have quietly made client-side video processing viable.
HTML5 Canvas API






