Transcribe Calculus Tutorials from YouTube
Turn calculus video lessons into searchable, copyable notes
Or just change youtube.com to 2outube.com in your browser
Swap 'youtube.com' to '2outube.com' in any calculus tutorial URL to instantly pull the full transcript. No account needed. Works with lectures on limits, derivatives, integrals, and more from top math channels.
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
Top Calculus Tutorials YouTube Channels to Transcribe
3Blue1Brown
Visual, intuition-first explanations of calculus concepts like derivatives, integrals, and the essence of calculus series.
Professor Leonard
Full university-level calculus courses covering Calc 1, 2, and 3 in long-form lecture format.
PatrickJMT
Hundreds of focused calculus problem-solving videos covering derivatives, integrals, series, and more.
Khan Academy
Structured calculus curriculum from pre-calculus through multivariable calculus with thousands of practice-aligned videos.
Best Practices for Calculus Tutorial Transcripts
Search for specific theorems
Use Ctrl+F on the transcript to jump straight to where a lecturer explains the Fundamental Theorem of Calculus, chain rule.
Build a formula reference sheet
Copy the verbal descriptions of derivative and integral rules from transcripts and pair them with the formulas from your textbook.
Extract worked example steps
Calculus instructors narrate every algebraic step aloud. Transcripts capture this narration so you can reproduce the solution logic in your.
Paste into AI for concept summaries
Drop a lecture transcript into ChatGPT or Claude and ask for a concise summary of the key calculus concepts covered.
How to Use
Find your calculus tutorial on YouTube
Open any calculus video — a Professor Leonard lecture, a 3Blue1Brown explainer, or a Khan Academy lesson — and copy.
Change youtube to 2outube
In the URL, replace 'youtube.com' with '2outube.com'. For example: youtube.com/watch?v=WUvTyaaNkzM becomes 2outube.com/watch?v=WUvTyaaNkzM. Hit Enter.
Copy the transcript into your notes
The full calculus lecture transcript appears instantly. Select all, copy, and paste into Notion, Word, Google Docs, or your AI.
Questions
Does this work with any YouTube video?
Yes, any video with captions.
Is it really free?
Completely free. No account, no limits.
Do calculus tutorial videos on YouTube have captions?
Most major math channels like 3Blue1Brown, Professor Leonard, PatrickJMT, and Khan Academy have either manual or auto-generated captions, so transcripts are available for the vast majority of their videos.
Can I get transcripts for full calculus lecture series?
Yes. Just use the URL swap for each individual video in the series. You can transcribe every lecture in a full Calc 1, 2, or 3 course and build a complete set of written notes.
How do I find the timestamp for a specific calculus concept in a transcript?
Transcripts on 2outube include timestamps. Use your browser's Ctrl+F (or Cmd+F on Mac) to search for terms like 'chain rule,' 'integration by parts,' or 'epsilon delta' to jump straight to that part of the lecture.
Can I use the transcript to study for a calculus exam?
Absolutely. Many students copy lecture transcripts into a notes app, highlight key definitions and theorems, and use AI tools to generate practice questions from the content. It's one of the most effective ways to turn passive watching into active studying.
Does 2outube work on mobile for calculus videos?
Yes. Just edit the URL in your mobile browser the same way — change 'youtube.com' to '2outube.com' — and the transcript will load. No app download needed.
What if a calculus video doesn't have a transcript available?
If a video has no captions (neither manual nor auto-generated), a transcript won't be available. This is rare for popular math channels but more common for smaller or older uploads. Try another video from the same channel or topic.
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