Zloth - AI YouTube Video Summarizer

Summarize long YouTube videos in one click & save time. Key takeaways, timestamped notes, custom prompts. Free — no API key.

Summarize YouTube videos with AI in One Click. Save time on long videos — get high-quality timestamped summaries and key takeaways. Top Features: ✅ One Click Summary: Request summaries right from the thumbnail, no need to open the video or prompt anything. ✅ Multiple Summary Modes: Key takeaways, chronological sumamries with clickable timestamps, or your own Custom Prompt. ✅ Listen to Summaries: Turn any summary into audio with built-in high quality text-to-speech. ✅ Ask Anything: Use Quick Prompts to ask custom questions about any video right from the thumbnail. ✅ Save & Organize: Summaries are saved & organized in a folder system, accessible from anywhere in your browser. ✅ Privacy-First: Works only on YouTube — no ads, no tracking, and no API key required. ✅ Email Digest: Get your summaries sent per email automatically, either summary-wise or as a digest each day or week. ✅ Generous Free Plan: 120 free credits every month (1 credit = 1 minute of video). Zloth is your all-in-one YouTube summary tool, powered by advanced AI. This Chrome extension creates concise video summaries and extracts key insights from any YouTube video, so you can save hours and grasp the main ideas instantly while researching, learning, or enjoying your free time. Zloth summarizes videos of any length, from quick clips to multi-hour podcasts and lectures. Perfect for: • Podcasts, interviews and explainers • Students, Life Long Learner, YouTube Power User • AI, Science, and Tech • Business, Investing, and Trading • News, Politics, and Trends • Health, Wellness, and Personal Growth • Lectures, Tutorials, and Online Courses How to Use: 1. Install Zloth and login 2. Click the Summarize button on any YouTube thumbnail 3. Your Summary will be saved to the extension's folder system FAQs: Q: Can I try Zloth Summarizer for free? A: Yes! Zloth gives you 120 free credits every month and also offers a 7-day free trial. Q: How do I cancel my subscription? A: Visit our website, sign in and click Manage Subscription. Also possible from within the extension's settings page. You can cancel anytime. Q: Do I need an API key or a separate AI account? A: No API key needed, just login with your Google account. Q: How do credits work? A: 1 credit = 1 minute of video. Free includes 120 credits per month + one-time 5min of Pro TTS; Pro includes 1,500 credits per month, plus 50 minutes of AI text-to-speech. You can also top up with a one-time credit pack whenever you need more. Q: Can I customize my prompts? A: Yes! Choose Analysis for key takeaways in clear bullet points, or Summary for a structured breakdown with clickable timestamps. With Cusotm Prompts you can also define your own prompt. Q: Is my data private? A: Yes. Zloth only activates on YouTube and collects no browsing data — no ads and no tracking. Your summaries are stored securely and belong to you. For more information, visit our website: https://www.zlothai.com Summarize podcasts, tutorials, lectures, and news right in your YouTube tab! Install Zloth now and save time on long videos.