Drawing Board
Free online drawing board, no installation required. Lightweight sketch tool
About Drawing Board
A canvas-based sketching tool with pen, eraser, line, rectangle, circle, and arrow tools. It supports undo/redo history, an adjustable color and line width, fullscreen mode, PNG download, and persistent saved drawings stored locally in IndexedDB. Shapes (line/rectangle/circle/arrow) are drawn by click-dragging a live preview; the pen and eraser stroke continuously.
How to Use
1. Pick a tool button (pen, eraser, line, rectangle, circle, arrow). 2. Choose a color and line width (1-50). 3. Draw on the canvas. Use Undo/Redo (or Ctrl+Z / Ctrl+Shift+Z), Clear to wipe, Save to store, Download to export PNG, or the expand icon for fullscreen. 4. Saved drawings appear below — click Load to restore or the trash icon to delete.
Canvas Behavior & Storage
The canvas auto-scales with devicePixelRatio and fills a white background. Eraser strokes paint white at 3x line width. Saved drawings are stored under the key drawing-board-saved in IndexedDB; if IndexedDB is unavailable, saves silently fail without an error message. Fullscreen resizes the canvas and preserves the current artwork.
▶Where are my saved drawings stored?
▶What happens if IndexedDB is not available (private mode)?
▶Does undo/redo have a history limit?
▶Can I export formats other than PNG?
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