How to Fetch YouTube Transcriptions in Next.js: A Step-by-Step Guide

What are YouTube Transcriptions?

Why Fetch YouTube Transcriptions in Next.js?

• Accessibility**: Providing transcriptions for your YouTube videos can greatly improve accessibility for users with hearing impairments or language barriers.
• SEO Boost**: Transcriptions can improve your app’s SEO by providing additional text content for search engines to crawl.
• Custom Features**: With transcriptions, you can create custom features like subtitles, closed captions, or even language translation tools.

Prerequisites

1. Next.js installed**: You should have a basic understanding of Next.js and have it installed in your project.
2. YouTube API credentials**: You’ll need to create a YouTube API project and obtain API credentials (Client ID and API key).
3. YouTube video ID**: You’ll need the video ID of the YouTube video you want to fetch transcriptions for.

Ftpching YouTube Transcriptions with Next.js

Step 1: Set up Your YouTube API Credentials

export const YOUTUBE_API_KEY = 'YOUR_API_KEY';
export const YOUTUBE_CLIENT_ID = 'YOUR_CLIENT_ID';

Step 2: Create a YouTube API Client

import { google } from 'googleapis';

const youtube = google.youtube('v3');

export const youtubeClient = new youtube({
  auth: YOUTUBE_API_KEY,
  clientId: YOUTUBE_CLIENT_ID,
});

Step 3: Fetch YouTube Transcriptions

import { youtubeClient } from './youtube-api';

const fetchTranscriptions = async (videoId) => {
  try {
    const response = await youtubeClient.captions.list({
      part: 'id,snippet',
      videoId,
    });

    const captions = response.data.items;

    const transcriptions = captions.map((caption) => {
      return {
        id: caption.id,
        languageCode: caption.snippet.languageCode,
        text: caption.snippet.textBody,
      };
    });

    return transcriptions;
  } catch (error) {
    console.error(error);
    return [];
  }
};

export default fetchTranscriptions;

Step 4: Integrate with Your Next.js App

import fetchTranscriptions from '../fetch-transcriptions';

const videoId = 'VIDEO_ID_HERE'; // Replace with your YouTube video ID

const App = async () => {
  const transcriptions = await fetchTranscriptions(videoId);

  return (
    <div>
      <h1>YouTube Transcriptions</h1>
      <ul>
        {transcriptions.map((transcription) => (
          <li key={transcription.id}>
            <strong>Language Code:</strong> {transcription.languageCode}
            <br>
            <strong>Transcription:</strong> {transcription.text}
          </li>
        ))}
      </ul>
    </div>
  );
};

export default App;

Conclusion

Keyword	Description
Next.js	A popular React-based framework for building server-side rendered and static websites.
YouTube API	A set of APIs provided by YouTube for accessing YouTube data, such as video metadata and captions.
Transcriptions	Automatic text versions of spoken content in YouTube videos.

Bonus Section: Advanced Transcription Features

• Language Translation**: Use Google’s Translation API to translate transcriptions into different languages.
• Custom Transcription UI**: Create a custom UI for displaying transcriptions, such as a scrolling transcript panel or a hover-over tooltip.
• Transcription Search**: Implement a search feature that allows users to search for specific keywords or phrases within transcriptions.

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