NoteTimeTurn every YouTube video and web article into notes you'll actually find again.
One click, timestamped notes — AI-written or your own, your choice. Organise with collections and tags. Then chat across everything you've ever saved.
NoteTime.SB- Sleep pressure is adenosine building up in the brain the longer you're awake — that's the heavy-eyes feeling.
- Each sleep cycle runs about 90 minutes through light, deep, then REM — deep sleep mostly lands in the first half of the night.
- Caffeine has a 5–6 hour half-life: half of a 4pm coffee is still in your system at 10pm.
- The practical fixes: a fixed wake time, morning light, a cool dark room, and no screens in the last hour.
Ask a question.
Get answers from your library.
A single bar over every video and article you've ever saved.
Across your saved Musk notes, the thread is: start from first principles — "Physics is law, and everything else is a recommendation" [1], question and delete requirements before optimizing or automating [2], then use early premium products to fund cheaper ones and zero-emission power [3].
Two sources.
One memory.
Any video, any channel.
AI watches the transcript, pulls key ideas, and links every bullet back to the exact second. Click a timestamp and the video jumps.
- Timestamp portals — jump anywhere
- Automatic summaries
- Per-video chat
Any URL, any blog.
Highlight what matters or save the whole page. Source-linked excerpts and the same chat surface on top.
- One-click clipper
- Saved article text
- Citations back to source
Collections for shape.
Tags for everything else.
Tags come from manual #tags in the content you save. Add, edit, or remove them anytime.
Four steps.
Then never lose a thing.
Install the extension
One click from the Chrome Web Store.
Open a video or article in your browser
Videos are automatically summarised. Optionally save as a note, or create notes manually.
Capture structured notes
Bullets, key points, LaTeX equations, and syntax highlighted code blocks.
Chat across your library
Get a summarised answer referencing multiple notes from your library. Citations link back to the original note you took, and that note links back to the original source.
Everything a learner needs.
Nothing they don't.
AI summaries
Automatic summaries, and AI chat with transcript or article text.
Timestamp portals
Every bullet links to the exact second. Click and jump — no scrubbing.
YouTube notes
Turn transcripts into timestamped notes, summaries, and per-video chat.
Article notes
Clip any article into clean, source-linked notes you can highlight, edit, and revisit.
Chat over notes
Ask anything across everything you've saved. Answers cite your sources.
Markdown export
Take your notes with you. Export clean Markdown whenever you need it.
Questions?
Yes - the same sidebar appears on any URL. YouTube videos get timestamped notes with clickable moments that jump back to the video.
NoteTime indexes everything you've saved. Ask a question; you get an answer grounded in your library and linked back to the source videos and articles. Individual notes can have clickable timestamps for videos and quotes for article text.
Collections are manual. Tags come from #tags in the content you save. You can edit both anytime.
Completely. NoteTime only saves what you explicitly capture. No passive browsing history, no selling data, no training on your notes.
Markdown export or copy-paste. Your notes are never locked in.
Stop losing what you learn.
Effortlessly take notes on important videos and articles as you browse.
Start taking notes — free