What is Excalidraw
Excalidraw is an open-source online whiteboard tool with a simple hand-drawn style and real-time collaboration features. Excalidraw runs entirely in the browser, requires no installation, supports multiple people editing the same diagram simultaneously, and provides end-to-end encryption. Excalidraw's core features include various drawing tools, export to PNG or SVG format, offline availability, and cross-platform compatibility. Excalidraw is suitable for quick sketches, brainstorming, and remote collaboration, and is especially suitable for product managers, developers, and educators.
Excalidraw's main features
- Hand-drawn style: The graphics provided by Excalidraw are all in a hand-drawn style, making the work look more natural and creative.
- Real-time collaboration: Supports real-time online collaboration among multiple people, allowing simultaneous creation on the same canvas, and supports end-to-end encryption.
- Rich drawing tools: Provides a variety of drawing tools such as rectangles, circles, arrows, lines, and free drawing.
- Convenient export: Supports exporting works to PNG or SVG format, or copying to the clipboard.
- Offline availability: Uses PWA (Progressive Web App) technology, allowing continued use without a network connection.
- Cross-platform: Access on computers and mobile phones, supporting drawing anytime and anywhere.
- Infinite canvas: Provides an infinitely large canvas, allowing users to freely draw and arrange graphics.
Excalidraw's technical principles
- Frontend framework: Excalidraw uses the React framework to build the frontend interface, based on the advantages of framework componentization and state management.
- Drawing engine: Excalidraw uses a custom drawing engine to handle the drawing, editing, and rendering of graphics.
- Real-time collaboration: Based on WebSocket real-time communication technology, it achieves data synchronization during multi-person collaboration.
- Internationalization: Supports multiple languages, and implements multilingual switching of the interface based on internationalization libraries such as i18n.
Excalidraw's project address
- Project official website：excalidraw.com
- GitHub repository：https://github.com/excalidraw/excalidraw
Excalidraw's application scenarios
- Remote collaboration: Used as a tool for sharing and collaborative drawing among team members during remote work or study.
- Brainstorming: Quickly record and present ideas during meetings or team discussions, promoting the exchange and collision of ideas.
- Product design: Product managers quickly draw product prototypes, user flow diagrams, and interface sketches.
- Technical drawing: Developers and engineers draw software architecture diagrams, network topology diagrams, and algorithm flowcharts.
- Education and teaching: Teachers draw diagrams, explain concepts, or create teaching materials during online teaching.