Turn videos into your own knowledge.Create your first note for free ↗
VideoNote.

Turn long videos into
notes you can actually use

Paste a link to get chapters, summaries and a timeline automatically.

YouTube

AlphaFold: how AI predicts protein structures

Artificial intelligence · 24:51

YouTube

Can you keep zooming in infinitely?

Physics · 21:29

YouTube

The interview question everyone gets wrong

Probability · 20:12

YouTube

How a helicopter survived 1004 days on Mars

Space exploration · 29:07

YouTube

Testing NASA’s new space suit

Space technology · 25:16

YouTube

Challenging Boston Dynamics’ Atlas robot

Robotics · 16:24

YouTube

The return of supersonic flight

Aviation · 14:52

YouTube

Did the future already happen? The paradox of time

Time and the universe · 12:35

Create your first note for free
No credit card requiredWorks with Chinese and English videosEvery result links back to the source video
Supported platformsYouTubeBilibili Coming soonTikTok Coming soon

Paste a link — let VideoNote handle the rest

Free to try · YouTube supported · Bilibili / TikTok coming soon

✓Parsing video infoDone
✓Extracting subtitles and timelineDone
●Generating chapters, summary and structureProcessing

Sample note

AI Agents Explained

Completed
SummaryTimelineMind map

The core of an AI Agent is not the model itself, but the collaboration between the model, tools, memory and planning capabilities.

06:42The four building blocks of an Agent
12:05Tool calling and context management
18:30Planning and failure recovery

Not a one-line summary, but a note you can keep learning from

Read the conclusion first, then jump to the exact chapter in the video. Key points keep their context, so notes stop being a black box you cannot verify.

Open the notes workspace →
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YouTube · 23:14

AI Agents Explained — From theory to practice

Copy full text

One-line summary

By calling tools, storing memory and splitting tasks, agents let general-purpose models keep handling complex work.

01 Models aren't everything: tools set the limits of action

The system keeps the timestamp of every point, so each conclusion can be verified against the video context.

02 Memory keeps tasks moving forward

The system keeps the timestamp of every point, so each conclusion can be verified against the video context.

03 Planning and feedback close the execution loop

The system keeps the timestamp of every point, so each conclusion can be verified against the video context.

Start with YouTube. More platforms are coming soon.

YouTube

Videos, courses, interviews and knowledge content

BilibiliComing soon

Bilibili · Coming soon. Only public YouTube videos are currently supported.

TikTokComing soon

TikTok · Coming soon. Only public YouTube videos are currently supported.

From “watched it” to “it actually stuck”

Nothing important gets missed

Chapters, viewpoints and key facts are identified automatically, so even long videos are easy to follow.

Every result is traceable

Notes map to timestamps in the original video, so you can jump back to the context with one click.

Take your notes with you

Export to Markdown, TXT, Obsidian or Notion and keep building your own knowledge base.

Done in three steps, without breaking your learning flow

A person with headphones sitting in front of a laptopScene photo
01

Paste a video link

Works with public YouTube videos. Bilibili and TikTok are coming soon.

Notes, papers and a notebook organized by topic on a deskScene photo
02

Wait for parsing

Subtitles are transcribed, chapters detected and key points extracted automatically.

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03

Read and export

Review the structured notes, rewatch the original when needed, or export.

Start with your next long video — stop taking notes by hand

Pick a public YouTube video and get structured notes. Bilibili and TikTok are coming soon.

Create your first note for free →

What you might want to know before your first use

How can I use an AI YouTube video summarizer to turn videos into notes?+

Paste a public YouTube video link into VideoNote, select Generate note, and sign in when prompted. VideoNote uses available captions or transcribes the audio, then creates a video summary, chapter notes and timestamped text. Click a timestamp to revisit the source video, or use the AI mind map to explore how the ideas connect.

Which platforms are supported?+

Only public YouTube videos are currently supported. Bilibili and TikTok are coming soon and are not yet available for processing.

Can you process videos without subtitles?+

Yes. The content is transcribed from the audio, then turned into chapters, a summary and a timeline.

Can I download the generated notes?+

You can export Markdown or TXT, and continue organizing them in Obsidian or Notion.

Do you store the original video?+

No. The original video is never downloaded or stored; only the public content needed to generate notes is processed.

What is the difference between video transcription and an AI video summary?+

Video transcription turns captions or speech into text so you can find quotations and check details. An AI video summary extracts key ideas and organizes them into chapters. VideoNote provides both transcripts and structured notes, with timestamps to help you verify the context in the original video.

How can I extract Bilibili subtitles and turn a video into study notes?+

Bilibili subtitle extraction and study notes are coming soon and are not yet available. You can currently use the YouTube video summarizer to create summaries, chapter notes and timestamped transcripts.

Can I transcribe a TikTok video and extract its key points?+

TikTok transcription and key point extraction are coming soon. TikTok submissions are not currently supported. You can use public YouTube videos to generate AI summaries and notes.

How can an AI long-video summary help with studying and revision?+

For a supported lecture, interview or course video, start with the summary, use chapter notes to find relevant sections, then revisit the source through timestamps. AI summaries can miss details or misinterpret context, so check important figures, quotations and conclusions against the transcript and original video.

How can I turn video notes into an AI mind map?+

Once your notes are ready, open the AI mind map tab to generate a knowledge structure from the chapters. The map groups topics and supporting points into a hierarchy to help you explore their relationships. Timestamped nodes can take you back to the source video for contextual review.