OpenPencilOpen-Source Design Editor

Opens Figma files. Built-in AI. Fully programmable. Also a toolkit for building custom editors.

📂

Figma-Compatible

Opens .fig files natively. Copy & paste between Figma and OpenPencil. Kiwi binary codec with round-trip fidelity.

⚡

Headless CLI to inspect, export, and analyze .fig files. Figma Plugin API via eval. Tailwind CSS export. JSON output for CI and automation.

🧩

Build custom editing surfaces with the Vue SDK, embed OpenPencil into other products, or assemble workflow-specific editors around the same core.

🤖

Built-in chat with 90 tools — create shapes, set styles, manage layout, analyze tokens. MCP server for Claude Code, Cursor, Windsurf.

📖

MIT license. Read and modify everything — the editor, the engine, the file codec, the CLI.

🖥️

No account, no server, no internet required. ~7 MB desktop app via Homebrew, or use the web app.

👥

P2P via WebRTC — no server. Share a link, edit together with live cursors and follow mode.