Life & fun · September 4, 2025
SecondB
Understand YouTube better with context-aware summaries
SecondB launched on September 4, 2025 with 8 votes, #1,468 of 8,160 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
secondb.ai provides context-aware summaries of YouTube videos in English, Japanese, and Korean. Use the Chrome extension to request summaries as you watch, or subscribe via RSS. Currently open and free to explore.
Transform YouTube videos & Web articles into concise summaries with AI. Save time and extract key insights from your favorite content.
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Ai Video Summarize for YouTube Videos2024 · apps.apple.com · ▲15AI-powered minute-long summaries for YouTube videos
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