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Nappai Documentation

Youtube

The Youtube component lets you pull the text from any YouTube video by simply entering its URL. It’s useful when you want to analyze or store the spoken words from a video without manually transcribing it yourself.

How it Works

When you provide a YouTube link, the component uses the YoutubeLoader from LangChain to download the video’s transcript. It then converts that transcript into a list of Data objects, each containing the text of the transcript and any metadata that came with it (like the video title or author). No external API keys are required; the loader handles the download and parsing automatically.

Inputs

Input Fields

  • Video URL: Enter the full URL of the YouTube video you want to fetch. The component will read the transcript from that video.

Outputs

  • Data: The component returns a list of Data objects. Each object holds the transcript text and related metadata. You can feed this output into other components, such as text summarizers, keyword extractors, or storage modules, to build more complex workflows.

Usage Example

  1. Drag the Youtube component onto your dashboard.
  2. In the Video URL field, paste https://www.youtube.com/watch?v=dQw4w9WgXcQ.
  3. Connect the Data output to a Text Summarizer component to automatically generate a short summary of the video’s content.
  4. Run the workflow and view the summarized text in the next component.
  • Text Splitter – Breaks long transcripts into smaller chunks for easier processing.
  • Keyword Extractor – Pulls out the most important words or phrases from the transcript.
  • Data Storage – Saves the transcript data to a database or file for future reference.

Tips and Best Practices

  • Use a short, clear YouTube URL to avoid errors.
  • If the video has no transcript, the component will return an empty list; check the output before proceeding.
  • Combine the Youtube component with a Text Summarizer to quickly get the gist of long videos.
  • For privacy, avoid uploading sensitive or copyrighted videos unless you have permission.

Security Considerations

  • The component only accesses the public transcript of the video; it does not download the video file itself.
  • Be mindful of the privacy of the videos you process—do not share URLs of private or restricted content.
  • The component does not store any credentials, so it poses minimal security risk.