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B-Roll Idea Generator

Paste your video script below to instantly generate a visual shot list of B-roll ideas to increase viewer retention.

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Why B-Roll is the Secret to Viewer Retention

If your entire video is just a "talking head" (you staring directly into the camera), viewers will inevitably get bored and click away. Modern YouTube audiences have incredibly short attention spans. The algorithm rewards videos with high Audience Retention.

To keep retention high, professional editors use a technique called pattern interruption. By cutting to B-roll (secondary footage) every 4 to 7 seconds, you force the viewer's brain to reset and pay attention.

How This Generator Works

This tool uses a lexical matching algorithm to scan your script for visual triggers. When it detects abstract concepts (like "growth", "money", "stress", or "time"), it maps them to concrete, stock-footage-ready visual ideas.

  • Literal B-Roll: If you say "typing on a laptop," the tool suggests exactly that.
  • Metaphorical B-Roll: If you say "losing control," the tool might suggest "a train derailing" or "water spilling over a glass." These emotional metaphors create a much stronger video.

Where to find Free B-Roll?

Once you have your shot list, you don't need an expensive camera to film it. You can download royalty-free stock footage matching these exact descriptions from sites like Pexels, Pixabay, or Mixkit and drop them straight into your timeline.