Online Whiteboard
A canvas-based drawing board with pen, line, rectangle, circle, and eraser tools. Adjust thickness, pick colors, undo mistakes, and download your drawing as PNG.
What Is Online Whiteboard?
Online Whiteboard is a free, browser-based drawing tool built on HTML5 Canvas. It provides essential drawing tools — pen, shapes, eraser — with adjustable line thickness and colors. No account needed, no software to install. Just open and draw.
How to Use the Whiteboard
- Select a Tool — Choose Pen for freehand, or Line, Rectangle, Circle for shapes. Use Eraser to remove parts
- Pick a Color — Click a preset color or use the color picker for any custom color
- Adjust Thickness — Use the Size slider to set line width from 1px to 20px
- Draw — Click and drag on the canvas. For shapes, drag from start to end point
- Undo/Redo — Made a mistake? Click Undo (up to 50 steps). Click Redo to restore
- Download — Click "Download PNG" to save your drawing as an image file
Why Use This Whiteboard?
- No Installation — Works directly in your browser with HTML5 Canvas
- Touch Support — Works on tablets and phones with touch input
- Multiple Tools — Pen, line, rectangle, circle, and eraser cover most drawing needs
- Undo History — Up to 50 undo steps so you can experiment freely
- Instant Download — Save your drawing as a transparent PNG with one click
- Privacy — Everything happens in your browser. No data is uploaded anywhere
FreeToolbox Whiteboard vs Other Online Drawing Tools
| Feature | FreeToolbox | Excalidraw | Sketchpad |
|---|---|---|---|
| No Login | Yes | Yes | Yes |
| Shape Tools | Line, Rect, Circle | Many | Many |
| Touch Support | Yes | Yes | Yes |
| Undo Steps | 50 | Unlimited | Limited |
| PNG Export | Yes | Yes | Yes |
| Page Load Speed | Instant | Moderate | Moderate |
| Ads | Minimal | None | Heavy |
FAQ
Can I save my drawing and continue later?
Currently the whiteboard does not persist drawings between sessions. Use the "Download PNG" button to save your work before closing the page.
Does it work on mobile devices?
Yes. The whiteboard supports touch events, so you can draw with your finger or a stylus on tablets and smartphones.
What is the canvas resolution?
The canvas is 1200x700 pixels internally. It scales responsively to fit your screen width while maintaining the resolution for PNG export.
Can I change the background color?
The default background is transparent (dark). When you download the PNG, transparent areas will appear as transparent in image editors.
How many undo steps are available?
You can undo up to 50 actions. Each stroke or shape counts as one action. Redo is also available to restore undone actions.