Video Editor — Precision Building Blocks

April 15, 2026

The video editor got a real set of building-block operations. So instead of every edit being a single big "compose this for me" call, the agent can probe a file, cut a clip, concatenate, mix audio, burn subtitles, and render slide cards — each step writing explicit files you can inspect. Real editing workflows, step by step.

What you can do

There are now two ways to drive the editor:

• A quick canvas-based path for simple edits — upload, mutate a timeline, build the result. Good for one-shot composition.
• A precision path with explicit building blocks for full control — probe a file, cut a clip, change speed, concatenate clips with transitions, mix multiple audio tracks with volume and fades, burn subtitles, render title-cards or slide interstitials.

The precision path is stateless: each step takes explicit inputs and produces an explicit output you can inspect. The agent composes, retries, and you can see every intermediate file.

Two things that used to block real workflows are also fixed:

• Speech outputs are now reusable by the editor. Narration files can be passed straight into the audio-mix step. Before, the speech file lived in the browser only.
• Slides are first-class. The editor can render title cards, equations, diagrams, and animated section breaks straight into a timeline.

When you'd reach for it

• You upload a 10-minute product demo. "Trim this to the 90 seconds where I'm showing the integrations tab, add captions, drop a title card at the start, and add my logo in the corner." The agent probes the file, cuts the clip, transcribes for captions, renders a title card, stitches everything together, and burns subtitles. You can inspect each intermediate file.
• You generated a voiceover separately. "Mix this narration onto the clip we just built. Keep the original audio at 15% for ambience." The editor layers the two tracks at the volumes you specified.
• You're making a walkthrough that needs animated section breaks. "Render a slide showing the pipeline: arrow from Input → Model → Output, label each step." A standalone slide MP4 drops into your timeline.

Try it

• Upload a video and ask Alfrada to trim it to a target duration, add narration, and burn subtitles.
• Ask for a presentation-style explainer with animated slide interstitials between clips.
• Ask for a GIF instead of MP4 — same pipeline, different output format.