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Long knowledge videos, course collections, and documentaries paste in directly; local screen recordings also upload.
Turn long Bilibili videos into structured notes
Paste a Bilibili link to auto-transcribe and generate timestamped chapter notes, keywords,action items, and a Mermaid mindmap — perfect for long lectures and knowledge-zone videos.
BiliBiliOpen Course: Deep Learning 101 — Perceptrons to Transformers · 1:42:18Summarized
OVERVIEW
This 102-minute lecture starts from the perceptron, builds up through backprop and gradient descent, then extends to CNNs and the Transformer attention mechanism — a solid base for review notes and teaching material.
Chapters
04:12
Perceptrons to deep nets
Single-layer limits and non-linear activations.
23:48
Backprop & gradient descent
How the chain rule makes nets trainable.
51:30
CNNs & feature extraction
Local receptive fields and weight sharing.
1:18:05
Attention & Transformers
How self-attention replaces recurrence.
MERMAID MINDMAP
Deep LearningPerceptronBackpropCNNTransformer
Keywords
BackpropGradient descentAttentionActivationOverfitting
Action items
Review the backprop derivation (23:48)P1
Turn attention diagrams into slidesP2
Which chapter covers attention?
In “Attention & Transformers,” the part where self-attention replaces recurrence.Source 1:18:05
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Turn long Bilibili videos and courses into structured notes
For knowledge-zone videos, courses, and documentaries, the result page delivers timestamped chapter notes, a mindmap, and an action list.
Timestamped transcript, no scrubbing
Keeps the full transcript with timestamps, so a multi-hour course doesn't need you to drag the progress bar hunting for the point.
Chapter takeaways + keywords + actions
Auto-structured into study notes — highlight a course or distill a documentary and use it right away.
One-click mindmap, exportable
Export the Mermaid mindmap as Markdown / .mmd / .svg into Notion or Obsidian.
More than a summary: reusable study and work deliverables
After processing, the result page can turn a long video into study notes, a work brief, and an action plan.
Study Notes
Core concepts and definitions
Examples and explanations
Review questions
Work Brief
Key conclusions
Risks and open questions
Reusable briefing copy
Action Plan
Tasks and priority
Timestamp references
No invented missing details
STEP 01
Input
Paste a public link or upload a local video / audio file.
STEP 02
Analyze
Auto-transcribe and generate an overview, chapters, and mindmap.
STEP 03
Ask
Keep chatting with AI about the content to dig into points and actions.
STEP 04
Export
Take the summary, mindmap, and action list to reuse anywhere.
Supported platforms
BiliBili
User reviews
★★★★★
“Bilibili exam-prep courses run two hours each; now I get chapter notes and review straight to the point.”
Amelia Foster
Student · Course review
★★★★★
“I reference long videos in my field, and pulling takeaways with this beats note-taking by hand.”
Felix Bergstrom
Creator · Topic research
★★★★★
“Coding tutorial collections become structured notes in Obsidian — much clearer to code along.”
Hannah Delgado
Self-taught dev · Notes
★★★★★
“Documentaries and open courses become mindmaps I can run through before bed.”
Jake Thornton
Exam prep · Review
★★★★★
“Distilling long science videos into lecture drafts saves hours of listening word by word.”
Lea Rousseau
Teaching · Material prep
★★★★★
“A two-hour academic talk takes ten minutes to skim, with timestamps to double-check.”
Isabelle Moreau
Graduate Student · Research video
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