Transcribe Brilliant Lessons from YouTube
Get full transcripts of Brilliant YouTube lessons — free, instantly
Or just change youtube.com to 2outube.com in your browser
To transcribe Brilliant lessons from YouTube, simply change 'youtube.com' to '2outube.com' in the video URL and press Enter. The full transcript appears alongside the video — no copying, no paste box.
The Trick
youtube.com/watch?v=VIDEO_ID
2outube.com/watch?v=VIDEO_ID
Just change 'y' to '2'
Works with any YouTube video that has captions
Why Transcribe Brilliant Lessons from YouTube
Brilliant lessons cover calculus, physics, computer science, and logic — subjects where a single sentence can take minutes to unpack.
When an instructor writes out a proof or equation, the transcript captures the verbal explanation in text you can paste directly into Notion, Obsidian, or.
Need to find the moment they explain the chain rule or Bayes' theorem? Use Ctrl+F on the transcript to jump to the exact line rather.
Saving transcripts from multiple Brilliant lessons on the same topic — say, group theory or neural networks — lets you cross-reference explanations and spot patterns.
How to Transcribe
Find the Brilliant lesson on YouTube
Search YouTube for 'Brilliant' along with your topic — for example 'Brilliant calculus' or 'Brilliant neural networks'.
Change youtube to 2outube
In the URL bar, replace 'youtube.com' with '2outube.com' and press Enter. The full transcript loads instantly alongside the video.
Copy the transcript into your study notes
Select the transcript text and paste it into your note-taking app of choice — Notion, Obsidian, Google Docs, or a
Tips for Transcribing Brilliant Lessons from YouTube
Pair the transcript with timestamps for review
When you paste the transcript into your notes, note the timestamp next to any concept you found confusing.
Use Ctrl+F to locate specific concepts fast
Brilliant lessons are often conceptually dense.
Combine transcripts from a topic series
If Brilliant has released a multi-part series on YouTube — like a probability course or a logic sequence — transcribe each video and combine them.
Paste into an AI chat for deeper explanations
If a concept in the transcript is still unclear, paste the relevant paragraph into ChatGPT or Claude and ask for a simpler explanation or worked.
Sample Workflow
Open the Brilliant neural
Open the Brilliant neural networks lesson on YouTube and swap 'youtube.com' to '2outube.com' in the URL to load the transcript.
Copy the transcript
Copy the transcript into an Obsidian note, highlight the definitions of activation functions and backpropagation, and write a one-line summary.
Paste the section on gradient
Paste the section on gradient descent into ChatGPT and ask for two concrete worked examples — then add those examples.
Questions
Does this work with any YouTube video?
Yes, it works with any video that has captions. Most YouTube videos have auto-generated captions.
Is it really free?
Completely free. No account, no subscription, no limits.
Do Brilliant's YouTube videos have captions?
Yes. Brilliant's YouTube channel includes captions on their lessons, either manually added or auto-generated by YouTube.
Can I use the transcript to study STEM topics more effectively?
Absolutely. Transcripts let you read at your own pace, copy technical explanations into your notes, and search for specific terms without scrubbing through the video.
How accurate are the transcripts for math and science explanations?
Accuracy depends on the caption source. Manually created captions are highly accurate.
Can I transcribe Brilliant's full course videos or just previews?
You can transcribe any Brilliant video that appears on YouTube — including full explainer lessons, course previews, and topic introductions.
Does 2outube save or store my transcripts?
No. 2outube doesn't save anything. The transcript is pulled from YouTube's own caption data and displayed in your browser. Nothing is stored on any server.
Can I use the transcript to create flashcards from Brilliant lessons?
Yes — this is one of the most practical uses.
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