Free · offline · no sign-up
Online whiteboard
A full Excalidraw whiteboard, on the same canvas as everything else. Sketch a diagram, a flow or a rough wireframe in the hand-drawn style that makes it clear an idea is still a draft.
Opens a fresh page with just this tool on it. Everything else is one click away.
How to use it
- 1 Pick a shape or the freehand tool and start drawing.
- 2 Drag to move, and use the handles to resize.
- 3 Your drawing saves automatically and stays on your machine.
Frequently asked questions
Do I need an account to use the whiteboard?
No. It opens straight away in your browser with nothing to sign into.
Where are my drawings stored?
Locally, in your browser, using IndexedDB. They stay on your machine unless you turn on optional cloud sync.
Can I use it offline?
Yes. The whiteboard is fully usable without a connection.
It is not just this one tool
The online whiteboard is one block inside KontrolRoom, a modular workspace with notes, a calculating workbook, task boards and 20+ other utilities you can arrange on a single canvas. It all runs locally in your browser, works offline and costs nothing.
Explore the full workspace