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Extract, structure, and export YouTube transcripts for AI, research, and content creation Extract YouTube transcripts, export as MD/JSON/TXT, or copy AI-ready prompts for ChatGPT & Claude. Zero AI cost — just paste and go. ## Detailed Description TubeScript extracts YouTube video transcripts instantly — no API key, no account needed. Open the side panel on any YouTube video and get a full, searchable transcript with one click. Then export it or copy an AI-ready prompt straight to your clipboard. WHAT YOU CAN DO: - Extract transcripts from any YouTube video with captions - Export as Markdown, JSON, or plain text - Copy to clipboard or download as file - AI-Ready Copy: select segments, pick a prompt template, and paste into ChatGPT or Claude - Search within the transcript with highlighted results - Click any timestamp to jump to that moment in the video - Switch between available languages (auto-generated and manual captions) - See token estimates for GPT-4 and Claude - Split transcript by time intervals (1, 5, or 10 minutes) HOW IT WORKS: 1. Navigate to any YouTube video 2. Click the TubeScript icon to open the side panel 3. The transcript is extracted automatically 4. Choose Export mode or AI Copy mode 5. Copy, download, or paste into your AI assistant — done EXPORT OPTIONS: - Markdown: Formatted with timestamps, metadata, and headings - JSON: Structured data with timestamps, duration, and text - Plain Text: Clean text with optional timestamps - Include/exclude metadata (title, channel, URL) - Include/exclude timestamps - Split by time intervals for easier processing AI-READY COPY (NEW): - 6 built-in prompt templates: Summarize, Key Points, Study Notes, Blog Post, Translation, Custom - Select specific segments or use the full transcript - Auto-detects ASR (auto-generated) captions and adds correction instructions - Optional "search web for correct terms" prompt for more accurate fixes on names and jargon - Custom prompt input for your own instructions - Real-time token estimate so you know the cost before pasting - One click to copy — paste into ChatGPT, Claude, or any LLM - Zero AI cost on TubeScript's side — uses your own AI account BUILT FOR AI WORKFLOWS: - Token counter shows estimated GPT-4 and Claude token costs - CJK-aware token estimation (Korean, Japanese, Chinese) - Time-based chunking to fit within context windows - Optimized export formats for LLM input - AI Copy mode composes the perfect prompt for you FEATURES: - Auto-detects video changes (YouTube SPA navigation) - Extraction history for quick access to recent transcripts - Persistent preferences for export and AI settings - No API key required — works out of the box - Supports auto-generated and manual captions PERFECT FOR: - Researchers extracting quotes and references from video content - Content creators repurposing video into blog posts and articles - Students creating study notes from lecture videos - AI practitioners preparing transcript data for LLM processing - Anyone who wants to summarize, translate, or transform YouTube videos with AI - Anyone who needs text from YouTube videos quickly PRIVACY: - No data collection — your transcripts stay in your browser - No accounts, no tracking, no analytics - Only runs on YouTube — no access to other websites - All processing happens locally on your device - Full privacy policy: [URL] ## Category Productivity ## Language English ## Developer Info - **Developer**: Lee Seung Ho - **Email**: goodspeedhorse@gmail.com - **Location**: South Korea