YouTube transcripts

This covers how to load youtube transcript into LangChain documents.

Setup

You'll need to install the youtube-transcript package and youtubei.js to extract metadata:

npm

npm install @langchain/community @langchain/core youtube-transcript youtubei.js

Yarn

yarn add @langchain/community @langchain/core youtube-transcript youtubei.js

pnpm

pnpm add @langchain/community @langchain/core youtube-transcript youtubei.js

Usage

You need to specify a link to the video in the url. You can also specify language in ISO 639-1 and addVideoInfo flag.

import { YoutubeLoader } from "@langchain/community/document_loaders/web/youtube";

const loader = YoutubeLoader.createFromUrl("https://youtu.be/bZQun8Y4L2A", {
  language: "en",
  addVideoInfo: true,
});

const docs = await loader.load();

console.log(docs);

API Reference:

• YoutubeLoader from @langchain/community/document_loaders/web/youtube