Local-first canvas
DoodleDraw
Sketch ideas, annotate diagrams, and keep every drawing in your browser with no account and no cloud required.
system-architecture.doodle
Offline first
All drawings live in IndexedDB, so the canvas keeps working locally.
No account needed
Open the app and start sketching without signing in.
Excalidraw inside
The familiar hand-drawn canvas, with thumbnail and export support.