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Merge Videos node

Merge Videos node card

The Merge Videos node concatenates up to 10 video clips into a single video, in the order they are wired in.

How it works

Wire two or more Video Generation nodes (or uploaded clips) into the clips handle. The node runs ffmpeg to concatenate the clips — joining both the video and audio tracks seamlessly — and returns one merged clip.

Configuration

  • None — the node takes all its inputs from the wiring.

Example

Video Generation (clip 1) ─┐
Video Generation (clip 2) ─┼─▶ Merge Videos ─▶ Output
Video Generation (clip 3) ─┘

The merged result ({ dataUrl, mime }) is the payload for downstream nodes.

Notes

  • Requires at least 2 clips — the engine fails with a clear message otherwise.
  • Clips are joined in wiring order.
  • The merge runs server-side and needs ffmpeg, which ships with the deployment.

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