Brainstorm together,infinite canvas
A free, browser-based infinite canvas for visual thinking. Sketch freehand, drop shapes, embed images, and ask Theo to brainstorm or organize the canvas. One-click converts any whiteboard into a structured flowchart, and live multiplayer cursors keep distributed teams in sync.
Try it — draw on the canvas ↓
A canvas with no limits
Freehand meets structure — brainstorm freely, then convert to diagrams when you're ready.
Freehand drawing
Draw freely with pressure-sensitive strokes. Multiple pen sizes, colors, and opacity levels for natural sketching.
Shape tools
Rectangles, circles, arrows, lines, and diamonds — snap to grid, align, and distribute with precision.
Text anywhere
Add text labels, headings, and annotations anywhere on the canvas. Rich formatting with colors and sizes.
Embed images & stickers
Drop images, GIFs, and stickers directly onto the canvas. Resize, rotate, and layer with other elements.
AI assistant
Ask AI to generate diagrams, explain your whiteboard content, or suggest improvements — right from the canvas.
Infinite canvas
Pan, zoom, and scroll endlessly. No boundaries — your canvas grows with your ideas.
Flowchart ↔ whiteboard conversion
Switch between whiteboard and flowchart mode with one click. Freehand sketches become structured diagrams.
Export & share
Export as PNG, SVG, or PDF. Share a link for real-time collaboration — no signup required for viewers.
Hand-drawn aesthetic
A signature hand-drawn look loved by developers and designers — baked into the OpenCharts whiteboard.
How it works
Open a whiteboard
Create a new project and switch to whiteboard mode, or toggle any existing flowchart project to whiteboard view.
Sketch and draw
Use freehand tools, shapes, text, and images to brainstorm visually. The infinite canvas grows with your ideas.
Ask AI for help
Let AI generate content, explain what you've drawn, or convert your sketch into a structured flowchart automatically.
Collaborate and export
Share a link for real-time multiplayer editing. Export to PNG, SVG, or PDF when you're done.
Frequently asked questions
What is the OpenCharts whiteboard?
The OpenCharts whiteboard is an infinite freehand canvas with a hand-drawn aesthetic. You can sketch diagrams, add shapes, text, and images freely. AI can generate, edit, or explain whiteboard content. You can also convert whiteboard sketches into structured flowcharts.
Can I convert a whiteboard sketch into a flowchart?
Yes. OpenCharts lets you switch between whiteboard and flowchart mode with one click. Your freehand sketches and shapes are preserved, and AI can help convert them into properly structured flowchart nodes and connections.
Is the whiteboard free to use?
Yes. The whiteboard is included in every OpenCharts plan, including the free plan. AI generation, collaboration, and export are all included at no cost.
Can multiple people draw on the same whiteboard?
Absolutely. OpenCharts supports real-time multiplayer editing with live cursors and presence indicators. Multiple users can draw, add shapes, and annotate the same whiteboard simultaneously.
Ready to try AI Whiteboards?
Free to start, no credit card needed, and your whole team can join.