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flexGrid Features

Broadcast Overlay

macos · Available since v1.0

Broadcast Overlay

Problem

Streamers and broadcast producers need lower-thirds, titles, and info bars that match broadcast production standards.

Solution

Broadcast Overlay renders HTML/CSS lower-thirds over the grid. Six built-in templates cover common broadcast styles. The Overlay Editor allows custom HTML/CSS for advanced designs. Chroma key support enables compositing in external broadcast software.

UI Flow

  1. Open Settings > Overlays > Broadcast.
  2. Choose from 6 built-in templates or open the Overlay Editor.
  3. Customize text fields, colors, and animation timing.
  4. Enable chroma key if compositing in external software.
  5. Overlay appears with configurable show/hide animation.

Tier Availability

Pro only.

Known Limitations

  • HTML rendering uses WKWebView; complex CSS animations may impact performance.
  • Chroma key color is fixed to green (#00FF00); custom key colors are not supported.

Marketing One-Liner

Add broadcast-quality lower-thirds with HTML/CSS templates and chroma key support.

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