Playlist Transcripts — YouTube Bulk Extractor

Chrome Extension

About

Chrome extension for bulk extraction of transcripts from YouTube playlists — with multi-language support, real-time progress tracking, and ZIP file downloads.

My Role

Built the full extension: YouTube InnerTube API integration with Android client identity for bot-detection bypass, multi-language caption support, and JSZip export.

Core Capabilities

• Auto-detection of YouTube playlist pages
• Multi-language transcript support (English, Hindi, Urdu, Arabic, Spanish, French)
• Batch processing of all playlist videos with progress bar
• Copy all transcripts to clipboard or download as ZIP
• Support for auto-generated (ASR) captions
• Graceful handling of unavailable videos and missing transcripts

Architecture

• Chrome Manifest V3 with popup and service worker
• YouTube InnerTube API (Android client for bot-detection bypass)
• JSZip for ZIP file generation
• Chrome Downloads API for file export
• Content script for playlist metadata extraction

Tech Stack