AI editing

Make the camera automatically follow your subject

Use AI tracking to keep a moving subject centered in frame — detect the subject, pick a feel, and render. A step-by-step guide.

2 min read Updated July 14, 2026

When your subject moves around the frame — a dancer, an athlete, a pet, a passing car — a fixed crop leaves them drifting toward the edges. Auto Track solves this by detecting the subject and generating camera keyframes that keep them centered for the whole clip. Here’s how to do it.

1. Upload your clip

Open Auto Track and drop in a video. Any orientation works — this is especially useful for turning a wide, horizontal clip into a tight vertical one that follows the action. Clips are processed up to 30 seconds.

2. Run the analyze pass

Click Auto-Track Subject. An AI pass scans the clip, detects the subjects in it (people, pets, balls, vehicles), and returns their positions across every frame. This is the one step that costs the analyze credits — and the result is saved for 30 days, so you can come back and re-render without paying to analyze again.

3. Pick your subject and feel

If the clip has more than one subject, choose which one the camera should follow from the detected chips. Then pick a feel for the motion:

  • Smooth — the camera eases toward the subject over about a second, for a graceful, cinematic follow.
  • Bouncy — the frame reacts quickly to fast movement, which suits dance and sports.
  • Auto-Zoom — the crop also scales with the subject, zooming in as they get smaller in frame.

An intensity setting (Subtle, Standard, Tight) controls how tightly the frame hugs the subject. Switching feels or intensity is instant and free — the analysis is already done.

4. Fine-tune and render

Auto Track lays the generated keyframes on a timeline. If you want a specific moment framed differently, nudge a keyframe by hand. Choose your output aspect ratio and format, then Render. The render is a quick, cheap pass — no AI required.

Tips for the best result

  • A clip with one clear main subject tracks most cleanly.
  • If the subject briefly leaves the frame, the tracking bridges the gap automatically.
  • Rendering to a vertical ratio (9:16) is the fastest way to reframe landscape footage for a phone-first feed.

Because the analysis persists for 30 days, it’s worth trying a couple of feels on the same clip — each re-render only costs the render credits, not another analyze pass.