Missed what they said?
Ask the video.

Paste a YouTube link into Explayn and ask your question — it reads the video’s captions and answers from them. Or highlight a word in the captions while it plays.

MacWindowsChromeiPhone & iPad

Try it here.

Highlight “tighten liquidity” or “core inflation”. Then highlight a word in the answer to go deeper.

Lecture captions, 14:32

So the reason the Fed raises rates is to tighten liquidity — when borrowing gets more expensive, aggregate demand cools, and that’s what brings core inflation back toward target.

Ask about a video

“What were the three steps?” “What did she say about sleep?” Paste the link and ask.

Words in the captions

Highlight a term in the captions or the description and it is explained in place.

Test me on it

Turn a lecture into questions, and Explayn brings them back over the following days.

Questions

Does it need captions?

Yes — Explayn reads the captions YouTube has for the video, including the automatic ones.

Which apps?

Chrome and the Mac and Windows apps — they fetch the captions from your own computer, which YouTube allows. The phone web app can’t read videos yet.

How much does it cost?

Nothing. Explayn is free, with no account.

Explayn is also for

students · medical words · contracts and legal wording · English learners · PDFs · code · research papers · dyslexia · teachers