* Loop Lock/Unlock * fixed condition. 4 line points are required for the action to be available * extracted updateLoopLock to improve readability. Removed unnecessary SVG attributes * lint + added loopLock to restore.ts * added loopLock to newElement, updated test snapshots * lint * dislocate enpoint when breaking the loop. * change icon & turn into a state style button * POC: auto-transform to polygon on bg set * keep polygon icon constant * do not split points on de-polygonizing & highlight overlapping points * rewrite color picker to support no (mixed) colors & fix focus handling * refactor * tweak point rendering inside line editor * do not disable polygon when creating new points via alt * auto-enable polygon when aligning start/end points * TBD: remove bg color when disabling polygon * TBD: only show polygon button for enabled polygons * fix polygon behavior when adding/removing/moving points within line editor * convert to polygon when creating line * labels tweak * add to command palette * loopLock -> polygon * restore `polygon` state on type conversions * update snapshots * naming * break polygon on restore/finalize if invalid & prevent creation * snapshots * fix: merge issue and forgotten debug * snaps * do not merge points for 3-point lines --------- Co-authored-by: dwelle <5153846+dwelle@users.noreply.github.com>

Excalidraw Editor | Blog | Documentation | Excalidraw+
An open source virtual hand-drawn style whiteboard.
Collaborative and end-to-end encrypted.
Features
The Excalidraw editor (npm package) supports:
- 💯 Free & open-source.
- 🎨 Infinite, canvas-based whiteboard.
- ✍️ Hand-drawn like style.
- 🌓 Dark mode.
- 🏗️ Customizable.
- 📷 Image support.
- 😀 Shape libraries support.
- 🌐 Localization (i18n) support.
- 🖼️ Export to PNG, SVG & clipboard.
- 💾 Open format - export drawings as an
.excalidraw
json file. - ⚒️ Wide range of tools - rectangle, circle, diamond, arrow, line, free-draw, eraser...
- ➡️ Arrow-binding & labeled arrows.
- 🔙 Undo / Redo.
- 🔍 Zoom and panning support.
Excalidraw.com
The app hosted at excalidraw.com is a minimal showcase of what you can build with Excalidraw. Its source code is part of this repository as well, and the app features:
- 📡 PWA support (works offline).
- 🤼 Real-time collaboration.
- 🔒 End-to-end encryption.
- 💾 Local-first support (autosaves to the browser).
- 🔗 Shareable links (export to a readonly link you can share with others).
We'll be adding these features as drop-in plugins for the npm package in the future.
Quick start
Note: following instructions are for installing the Excalidraw npm package when integrating Excalidraw into your own app. To run the repository locally for development, please refer to our Development Guide.
Use npm
or yarn
to install the package.
npm install react react-dom @excalidraw/excalidraw
# or
yarn add react react-dom @excalidraw/excalidraw
Check out our documentation for more details!
Contributing
- Missing something or found a bug? Report here.
- Want to contribute? Check out our contribution guide or let us know on Discord.
- Want to help with translations? See the translation guide.
Integrations
Who's integrating Excalidraw
Google Cloud • Meta • CodeSandbox • Obsidian Excalidraw • Replit • Slite • Notion • HackerRank • and many others
Sponsors & support
If you like the project, you can become a sponsor at Open Collective or use Excalidraw+.
Thank you for supporting Excalidraw
Last but not least, we're thankful to these companies for offering their services for free: