New v1.2 A rhythm bar, rounds and an edit that learns your taste 100% Local ยท One-Time Purchase ยท No GPU Required

Built for editors.
Not everyone.

AMVs, phonk & car edits, gaming montages, VJ sets - if you cut footage to music, this is the tool you've been looking for. Drop in your clips and a track. Onset Engine maps every beat and drop, picks the right moments, and cuts the whole song to the beat - ready to render as it is or tweak. No hand-cutting.

For Windows 10 and 11. On a Mac? Get notified when the Mac version is ready

The Onset Engine Editor showing a video preview, timeline, and editing controls
๐ŸŽฌ 100,000+ Clips Analyzed
๐Ÿ”’ 100% Local & Private
๐Ÿ’ณ One-Time Purchase
โšก Runs on 5-Year-Old Hardware
New ยท v1.2

Cut to the Beat, Round by Round

A free update for every Core and Studio owner, and in the free Demo today.

Rhythm bar

Draw the beat into your video: cues that land exactly when the beat sounds, plus an optional click track. On every plan, the free Demo included.

Rounds and Length

Turn your songs into rounds, each with its own pace, a break with a 3-2-1 countdown and a title card, and make the video run anywhere from 1 to 60 minutes.

Your shape, your taste

Draw how intense the edit is over the song and mark holds for long takes. Learn my taste picks more clips like the ones you keep.

However You Edit, One Engine Keeps Up

One-click for a finished edit in minutes, live mode for VJ sets, or full manual control when you want to sweat every frame.

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One-Click Automation

Press New video, pick your clips and a song: the AI maps every beat, picks clips that match the music, and cuts a draft of the whole song in minutes - even from long footage. Describe what to show in plain words if you like, then render it with transitions, pacing and cinematic VFX. Done.

The Onset Engine Autopilot interface displaying audio tracks, AI sequencing tools, and a generated video timeline
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Live Performance

Real-time reactive visuals synced to your audio. Hardware-decoded playback with zero latency. Perfect for VJ sets, live shows, and installations.

The Onset Engine DJ Mode interface optimized for live performance, showing media bins and beat-matching controls
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Full Creative Control

NLE-grade precision. Smart cropping with face detection, 30+ cinematic VFX, triptych export, and OpenTimelineIO hand-off to Premiere or DaVinci.

The Onset Engine Editor featuring text descriptions, the Driver Wizard, and fine-grained NLE controls

From Raw Footage to Beat-Synced Edit

Four steps. No cloud. No waiting for uploads.

1

Ingest

Point Onset Engine at your video folder. The AI analyzes your footage, building a searchable fingerprint of every clip in your library.

2

Analyze

Drop in a music track. The audio engine maps every beat, energy curve, drop, and section boundary - creating a temporal blueprint that drives pacing, mood, and intensity.

3

Select

The driver system matches clip semantics to musical intensity. Calm footage gets quiet moments. High-energy clips hit the drops.

4

Render

Chunked, memory-safe rendering with cinematic VFX. Or skip rendering entirely - launch DJ Mode and mix live.

9 Built-In Presets

Each preset controls pacing, transitions, color grading, and effects - from raw, unfiltered cuts to full Hollywood prestige. Build your own and share them.

Standard
Aggressive
Sensual
Raw
Prestige
Trailer
AMV
Hypnosis
VHS

Why Editors Choose Onset Engine

AI That Understands Your Footage

The AI builds a searchable fingerprint of what's in every clip in your library - with the Standard model by default, or High Quality for even better clip matching. It doesn't just detect motion - it semantically understands what's on screen. Search your entire footage archive by typing a text description, and the engine finds matching scenes instantly.

Beat-Synced by Math, Not Guesswork

AI beat detection finds every beat and downbeat in your music track and maps its onsets, energy curves, and section boundaries. The driver system maps high-energy clips to drops and calm footage to intros - every cut lands precisely on beat. Choose from 9 built-in presets or build custom pacing profiles via JSON.

Works Offline After Setup

No cloud uploads. No processing queues. No per-minute AI fees. Onset Engine runs entirely on your local hardware - on NVIDIA cards, CUDA accelerates AI analysis and NVENC speeds up 4K exports; AMD Radeon cards get hardware-encoded exports via AMF; any modern CPU handles the rest. Your footage never leaves your machine, and you never wait for a server.

One-Time Purchase, No Subscription

Core starts at $29.99 and Studio at $59.99 - one-time payments with v1.x updates included. No monthly fees, no render credits, no feature gates that unlock with a Pro tier. Every render is unlimited. Every export is yours.

Stop Paying Rent for Cloud Intelligence.

One-time purchase. v1.x updates included. Turn off the Wi-Fi. Hit Generate. Let the machine do the cutting.