Visual note-taking on an infinite canvas
A local-first infinite canvas note-taking app with mind maps, tag databases, and knowledge-base AI. Supports YouTube video notes and PDF annotation.
- 画布
- 数据库
- 标注
- 写作
- 发布
Annotate PDFs and videos on the canvas
Place files on the canvas to highlight, annotate, and generate linked knowledge cards.
Read and highlight PDFs on canvas
- Multi-page PDF reading
- Highlights become reference cards
Timestamp video annotations
- Major video platforms supported
- Timestamp cards link to canvas
Read, highlight, and learn on canvas
- Multi-column cards for deep reading
- Highlights sync to the side panel
Type @ to build your knowledge network
- Native Markdown editing experience
- Bidirectional links connect cards automatically
Local-first storage. You control the data.
Flexnote is local-first. Files are stored on your device by default and do not depend on an official cloud. To sync across devices, connect your own WebDAV, S3, or OneDrive.
Publish online with one click.
Turn any canvas into an interactive webpage instantly. Share your knowledge base, mind maps, or project flows with anyone via a simple link—no account required for viewers.
- View-only interactive canvas
- Password protection support
- Custom link generation
Custom canvas engine. Smooth at 10,000+ nodes.
Flexnote uses a custom rendering engine. Panning and editing stay at full frame even with 10,000+ nodes.
Flexnote for every workflow
Loved by visual thinkers.
Join scientists, researchers, and designers leveraging endless canvases.
Download Flexnote and start visual note-taking
Available for Windows and macOS. Local-first, with data stored on your device by default.