AI-Powered Visual Collaboration

Create Diagrams
at the Speed of Thought

Transform your ideas into beautiful diagrams instantly. Built for engineering teams who need to visualize complex systems quickly.

Invite-only beta
Sign in with GitHubFree forever

Everything You Need to Create

Powerful features designed for modern engineering teams

AI-Powered Generation

Describe your diagram in natural language and watch AI bring it to life instantly with professional layouts and smart positioning.

Team Collaboration

Invite team members to view and edit diagrams together. Organize work in folders with granular permissions control.

Professional Canvas

Full-featured drawing tools with auto-save, rich text documents, and seamless split-view editing for docs and diagrams.

Rich Text Documents

Write detailed documentation alongside your diagrams with full formatting support

Organized Workspaces

Keep projects organized with folders, tags, and powerful search capabilities

Developer-Friendly

Built by engineers, for engineers. GitHub authentication and markdown support

Version Control Ready

Export diagrams as code and integrate with your existing workflows

Join the Beta

Ready to Transform Your Workflow?

Join engineering teams already using Pencil to visualize their ideas and collaborate seamlessly.

Free forever
No credit card required
Setup in 30 seconds