TL;DW - YouTube Video Summarizer

Version 1.3.0 - Feb 7th 2026: Fixed transcript detection for YouTube's updated caption system. Improved reliability of transcript extraction across all videos. 100% free & open source YouTube summarizer. Get AI summaries, key insights & takeaways. No fees ever - just bring your API key. Free Forever. No Catch. TL;DW is a 100% free, open source YouTube video summarizer. No subscriptions. No premium tiers. No "free trial" that expires. Just a beautifully designed tool that works. You only pay for what you use: a few cents per video to your AI provider of choice. Why We Built This Its creators got tired of video summarizers that: Charge monthly fees for basic functionality Look like they were designed in 2010 Break constantly or return garbage results Lock features behind paywalls So they built TL;DW: free, slick, premium-looking, and it just works. Every time. How It Works Navigate to any YouTube video Click the TL;DW icon Hit "Analyze Video" Get a beautifully formatted summary in seconds That's it. No account required. No sign-up. No credit card. What You Get Concise Summary A well-written overview capturing the essence of the video. Decide in seconds if the full video is worth your time. Key Revelations The most valuable insights extracted from the content - the "aha moments" that make videos worth watching. Quick Takeaways Actionable bullet points you can immediately apply or save for later. Export Anywhere Copy to clipboard as Markdown Download as a .md file Export directly to Obsidian Export to Logseq Build your knowledge base effortlessly. Choose Your AI Works with your own API key from: Anthropic Claude - Best comprehension OpenAI GPT-4 - Most versatile Google Gemini - Most affordable Typical cost: $0.01-0.03 per video. New Anthropic accounts get free credits. 100% Open Source Don't trust us? Read every line of code yourself: github.com/ndimoro/tldw-youtube-summarizer No hidden tracking. No data collection. No servers. Everything runs in your browser. Privacy By Design API keys stored locally on YOUR device Transcripts go directly to YOUR chosen AI provider We never see your data (we literally can't - there's no server) No analytics, no tracking, no accounts Requirements YouTube videos with captions available API key from Anthropic, OpenAI, or Google Chrome, Edge, Brave, Arc, or any Chromium browser Perfect For Researchers reviewing lectures Professionals staying current Students studying video content Content creators analyzing competitors Anyone who values their time over watching ads Get Help Questions? Feature requests? Found a bug? support@tldw.movermarketing.ai We actually respond. Category Productivity Language English Tags/Keywords youtube summarizer video summary free extension open source AI summary claude gpt-4 gemini video notes obsidian transcript productivityRetry