SpaceTube: YouTube Video & Comment AI Summaries, Section Looping

Summarize YouTube videos and comments with AI. Loop any section, search transcripts by keyword, and organize videos into folders.

🏔️ Tip: Check the summary before watching a long video. Knowing what's coming makes it much easier to follow. SpaceTube adds a panel to the right side of the YouTube watch page. It's not just a summarizer — you can search, replay, and save videos without leaving the page. ================================== Key features ✨ AI video summary Get the key points of a long video. Summaries are written in the language you choose, so you can read foreign-language videos in your own. 💬 Comment summary See how viewers reacted without reading through the comments one by one. 🔁 Section repeat Set a start and end point, and that section plays on repeat. 🔍 Transcript search Search the full transcript for a word, and click any line to jump the video to that moment. 💨 Playback controls Adjust playback speed and volume, or skip 5 seconds, right from the panel. 📌 Timestamped notes Leave a note at a specific moment in the video and come back to that exact point later. 📁 Folders Create folders and save videos worth revisiting in one click. 📅 Today's video Pick a video you watched today that's worth remembering. Look back on it later like a journal. 🌗 Automatic theme Matches YouTube's light and dark mode. ================================== 🎧 Works well for • Podcasts and interviews • Lectures and online courses • Product reviews and comparisons • AI, tech, and science content • News and commentary • Videos in other languages 🖱️ How to use 1️⃣ Install SpaceTube and sign in. 2️⃣ Open a video on YouTube. 3️⃣ Open the summary tab in the panel on the right. 4️⃣ Use the transcript tab to search, or try section repeat and notes. ================================== ❓ Frequently asked questions Q. Is it just a summarizer? No. Along with summaries, it includes section repeat, playback speed and volume controls, transcript search, timestamped notes, and folders. Everything you need while watching is in one panel. Q. Does it work on every video? It works on most videos. Some videos, including private and live videos, may not be supported. Q. Which languages are supported? You can choose your summary language in settings. Summaries are written in the language you choose, regardless of the video's original language. Q. Is it free? You can start for free. The Pro plan is currently free as well, and no credit card is required. Q. Does it work on platforms other than YouTube? Currently YouTube only. Q. Do I need to sign in? Yes. Signing in saves your summaries and notes to your account, so you can pick up where you left off on another device. Q. Where can I find my saved notes and folders? Inside the panel. They're saved to your account, so they're available on your other devices too. ================================== 📨 Contact Feature ideas or questions? Email contact@spacetube.app anytime.