Editor

Opening the Editor

Add an Editor node to your canvas from the node menu. Click Open Editor on the node to enter the timeline view.

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Placeholders

Placeholders are the key concept in the Editor. They are slots in your timeline that get filled with real media at runtime — video clips generated by upstream nodes.

This is also how the Editor node gets its inputs: every placeholder you create becomes an input handle on the Editor node back on the canvas.

Adding a Placeholder

2. Inside the Editor, click on needed type of placeholder - Image/Video/Audio/Text

3. A placeholder block appears on the timeline

4. Set its Duration (see the Duration section below)

5. Repeat for each video clip you need to insert

Mapping Placeholders to Node Outputs

Once you save and return to the canvas, the Editor node will show one input handle per placeholder. Connect each video output from your upstream nodes to the corresponding placeholder input.

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Layers

The Editor uses a layered timeline — elements higher up in the layer stack appear on top of elements below them.

This is how you add overlays like logos, watermarks, or end cards on top of your video clips.

• Bottom layers — your main video clips (placeholders)

• Middle layers — animated overlays or secondary video

• Top layers — logos, watermarks, static images

Adding Static Media

To add a logo, watermark, or any static element:

1. Click Add Media → Image (or Video for a static video clip)

2. Upload from your computer, or select from Assets if you've uploaded it before

3. Drag it to the correct position in the timeline and layer stack

4. Resize and reposition it in the preview panel

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Duration

Duration controls how long each element lasts on the timeline. Getting this right is important — the position of every element that follows depends on the duration of the elements before it.

You have two options for each media element:

Specific Duration (Recommended)

Set an exact duration in seconds manually. This is the recommended approach for most elements because it keeps your timeline predictable — you always know exactly where each clip starts and ends.

Use this for:

• Placeholder clips where you know the expected length (e.g. 10 seconds per Kling clip)

• Static overlays like logos

• All elements except the last one in the timeline

Use Full Media Duration

The Use Full Media Duration checkbox makes the element's duration match whatever the actual media file turns out to be at runtime. This is dynamic — the timeline adjusts automatically.

Use this only for the last media element in your timeline. Applying it to middle elements will cause everything after it to shift unpredictably as media lengths vary across runs.

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What's Next?

• Animation Editor — generate animated overlays and transparent webm animations via AI chat

• Collections — run your assembled workflow across multiple input variations

• Best Practices — tips for handling unknown video lengths and dynamic timelines