Online Whiteboard and Hand-Drawn Diagram Tool

Excalidraw

A browser-based drawing and whiteboard website for sketching hand-drawn diagrams, wireframes, workflows, notes, and visual explanations with local-first editing and collaboration features.

Main website

excalidraw.com is the main public website for Excalidraw.

Core use

Sketching diagrams, wireframes, visual notes, and collaborative whiteboards.

Domain created

January 3, 2020.

Excalidraw is a browser-based whiteboard and diagramming website with a hand-drawn visual style.View site icon on Excalidraw

What Excalidraw is

Excalidraw official site is a browser-based whiteboard and drawing website for making diagrams that look intentionally hand-sketched. It is commonly used for architecture sketches, product flows, quick wireframes, classroom explanations, engineering diagrams, and informal notes that need to be shared visually.

Who uses Excalidraw

Excalidraw is used by software engineers, designers, product managers, teachers, students, startup teams, open-source maintainers, and writers who need a fast visual explanation tool. It works especially well when the goal is shared understanding rather than polished graphic design.

How the website works

The editor opens directly in the browser and gives users a canvas with shapes, arrows, text, freehand drawing, images, grouping, alignment, zooming, and export controls. A drawing can stay local, be saved as an Excalidraw file, exported as an image, or shared for collaboration depending on the workflow.

Hand-drawn style

Excalidraw's visual identity is the rough, hand-drawn look of its shapes and lines. That style lowers the pressure to make a diagram perfect too early. Teams can sketch a system, revise it in conversation, and keep the result readable without moving into a heavier design tool.

Open-source project and integrations

The Excalidraw editor is open source and published on GitHub. Developers can use the Excalidraw package to embed the editor in other applications, which is why the tool appears inside products and workflows beyond the public excalidraw.com website.

Strengths and limits

Excalidraw is strong for quick diagrams, collaborative explanation, lightweight wireframes, and visual thinking. It is less suited to precise CAD work, production illustration, complex vector design systems, or documents that require strict layout and typography controls.

Why it matters

Many technical and product conversations move faster when people can draw a rough idea. Excalidraw matters because it makes that drawing step easy to start, easy to share, and easy to keep as a lightweight artifact after the meeting or lesson ends.

WHOIS domain data

Data pulled: May 24, 2026View current WHOIS record

Domain: excalidraw.com
IP address: 216.150.1.65
Registrar: Squarespace Domains II LLC
WHOIS server: whois.squarespace.domains
Referral URL: http://domains2.squarespace.com
Created: January 3, 2020
Updated: October 22, 2025
Expires: January 3, 2028
Nameservers: e.zeit-world.com (198.51.44.13); a.zeit-world.net (198.51.44.13); c.zeit-world.co.uk (198.51.44.77); f.zeit-world.org (198.51.45.13)
Domain status: clientDeleteProhibited; clientTransferProhibited; client delete prohibited; client transfer prohibited
Contact privacy: Registrant contact details are redacted for privacy in the visible Who.is record; the organization field shows Excalidraw s.r.o.

Key concepts

CanvasThe open drawing area where users place shapes, arrows, text, and images.
SceneThe saved Excalidraw drawing data, including objects, positions, styles, and metadata.
LibraryA reusable collection of drawing elements that can be inserted into diagrams.

Common uses

Sketching system architecture, workflows, product flows, and process diagrams.
Creating informal wireframes before moving into a heavier design tool.
Explaining ideas during meetings, tutorials, documentation, or code reviews.

Common misconceptions

Excalidraw is not only for software diagrams; the same canvas works for teaching, planning, and general visual notes.
The hand-drawn look is a feature, not a lack of polish, because it invites early-stage discussion.
The public website and the embeddable open-source editor are related but not identical ways to use Excalidraw.

Open questions

How should lightweight whiteboard tools balance simplicity with advanced collaboration features?
When should teams keep diagrams in Excalidraw rather than moving them into documentation, design, or architecture tools?
How will AI-assisted diagram generation change tools built around fast human sketching?