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How to Add Captions and Subtitles with OpenClaw

Add captions and subtitles with OpenClaw and ToolRouter. Automated video transcription and captioning.

Tool
Video Editor icon
Video Editor

OpenClaw automates the captioning pipeline for batch video processing. Transcribe, review, and burn in captions across multiple videos with consistent styling in one automated session. This structured approach is essential for teams publishing content at scale who need every video captioned with the same brand-standard formatting.

Connect ToolRouter to OpenClaw

1Install the CLI
npm install -g toolrouter-mcp
2Call tools directly from OpenClaw
toolrouter-mcp call web-search search --query "AI tools"
toolrouter-mcp tools
No API key needed — account created automatically.All platforms →

Steps

Once connected (see setup above), use the Video Editor tool:

  1. Provide the video: "Transcribe and add captions to this webinar recording"
  2. OpenClaw transcribes the audio and generates captions
  3. Customize: "Use yellow text on a black bar for better visibility"
  4. Process multiple videos with consistent caption styling

Example Prompt

Try this with OpenClaw using the Video Editor tool
Transcribe this webinar recording and add burned-in subtitles. Use yellow text on a semi-transparent dark background. Position at the lower third of the frame.

Tips

  • Batch-caption multiple videos with consistent styling in one session
  • Ask OpenClaw to generate captions in multiple languages for international content
  • Verify transcription accuracy before burning in captions permanently

More OpenClaw Guides

How to Trim and Cut Clips with OpenClawHow to Merge Video Segments with OpenClawHow to Add Background Music with OpenClawHow to Create Highlight Reels with OpenClawHow to Resize Videos for Platforms with OpenClaw

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