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Excalidraw

Virtual collaborative whiteboard tool. Hand-drawn style sketching, diagrams, and wireframes — all in the browser.

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MIT★ 110000

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What's next with Excalidraw?

Choose how you want to get started.

Use it free

Open the official tool or demo — no account needed.

Free

Self-host it

Run the open-source version on your own infrastructure.

Open

What is Excalidraw?

Excalidraw is an open-source virtual whiteboard application designed for creating wireframes, flowcharts, and technical diagrams with a hand-drawn aesthetic. It addresses the communication barrier inherent in high-fidelity diagramming tools, where pristine boxes and perfectly straight lines can intimidate stakeholders and inhibit fluid brainstorming sessions. Software engineering teams, UI/UX designers, and remote educators use Excalidraw to sketch quick visual concepts during design reviews or technical interviews. The core functionality revolves around vector-based canvas manipulation. Users supply input via mouse, stylus, or keyboard shortcuts to create basic geometric primitives—such as rectangles, ellipses, lines, and text labels. Excalidraw processes these inputs into structured JSON object models and renders them as sketchy visuals. The output can be exported as scalable vector graphics (SVG), Portable Network Graphics (PNG), or raw JSON files containing the scene's complete node tree.

How it works

Excalidraw is an open-source virtual whiteboard application designed for creating wireframes, flowcharts, and technical diagrams with a hand-drawn aesthetic. It addresses the communication barrier inherent in high-fidelity diagramming tools, where pristine boxes and perfectly straight lines can inti

How to use it

  1. 1Use the Excalidraw tool.
  2. 2Use the Excalidraw tool.
  3. 3Use the Excalidraw tool.
  4. 4Use the Excalidraw tool.

What it can do

  • Utility

Use cases

Assumptions and limitations

Assumptions

  • source: https://github.com/excalidraw/excalidraw
  • license: MIT — free to use
  • privacy: Opens an external demo

Limitations

  • External demo — opens a third-party website that you do not control.
  • Relies on an external source (github.com); availability depends on that service.
  • Focused on the diagram tools category: Virtual collaborative whiteboard tool. Hand-drawn style sketching, diagrams, and wireframes — all in the browser..

Understanding the result

Virtual collaborative whiteboard tool. Hand-drawn style sketching, diagrams, and wireframes — all in the browser.

Tool details

  • Clearly flagged when a network request is needed.
  • No account, no sign-up, and no tracking of your content.
  • Powered by excalidraw (MIT).
Built with
excalidraw (excalidraw/excalidraw)
License
MIT
Runs locally
No — requires a network request
Verification
Not yet verified
Input
Drawing
Output
Diagram/Image
Open-source source & license

Built with excalidraw/excalidraw. OpenToolVault provides the discovery and browser interface while crediting the original project maintainers.

Built with
excalidraw
License
MIT
View source on GitHub

Open-source project

License: MITSource: this projectOfficial site

OpenToolVault is an independent directory. We are not affiliated with or endorsed by this project.

References

Frequently asked

What is Excalidraw?

Virtual collaborative whiteboard tool. Hand-drawn style sketching, diagrams, and wireframes — all in the browser.

Where can I find the source code?

Source: https://github.com/excalidraw/excalidraw

What license is this tool?

License: MIT

Spotted something wrong with Excalidraw, or want to maintain it? See how to help.