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YouTube Subtitles & AI LLM Context

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Extract full transcripts, auto-captions, and timestamps from any YouTube video in seconds. Formatted for ChatGPT, Claude, RAG, and AI summarizers.

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from $0.98 / 1,000 results

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David A

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📺 YouTube Subtitles & AI LLM Context — Timestamped Transcripts

High-speed, zero-browser YouTube transcript and captions extractor. Instantly converts any YouTube video into clean text for LLMs (ChatGPT, Claude, Gemini), timestamped subtitles for RAG pipelines, and structured JSON segments.

⚡ Key Features

🚀 Zero-Browser Architecture: Runs in under 1 second per video with minimal memory usage.
🌐 Multilingual Support: Supports English, Korean, Spanish, French, German, Japanese, and 100+ languages.
🤖 AI & RAG Ready: Outputs cleanProse (stripped of timestamps and music brackets) ready for LLM prompt context, plus estimated token count.
⏱️ Timestamped Formats: Provides [00:01:23] formatted subtitles for video navigation and study notes.
📊 Full Metadata: Extracts video title, channel name, thumbnail URL, and word count.
💰 Cost Effective: Pay-Per-Event pricing at just $0.0015 / video ($1.50 / 1,000 videos).

📥 Input Parameters

Field	Type	Description	Default
`videoUrls`	Array of strings	YouTube URLs or 11-char Video IDs	`["https://www.youtube.com/watch?v=dQw4w9WgXcQ"]`
`languages`	Array of strings	Priority language codes	`["en", "ko", "es", "fr", "de", "ja"]`
`includeMetadata`	Boolean	Include video title and author	`true`

📤 Output Format

{
  "videoId": "dQw4w9WgXcQ",
  "videoUrl": "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
  "title": "Rick Astley - Never Gonna Give You Up (Official Music Video)",
  "author": "Rick Astley",
  "language": "en",
  "wordCount": 382,
  "estimatedLlmTokens": 450,
  "cleanProse": "We're no strangers to love You know the rules and so do I...",
  "timestampedTranscript": "[00:00:18] We're no strangers to love\n[00:00:22] You know the rules and so do I...",
  "segments": [
    { "start": 18.5, "duration": 4.1, "timestamp": "00:18", "text": "We're no strangers to love" }
  ]
}

🔥 The B2B Contact & OSINT Intelligence Suite

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Crafted with precision by David Ahn · High-velocity data intelligence

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