OpenPencil
Open-source design editor with Figma compatibility and built-in AI
AI Summary
OpenPencil is an open-source design editor that natively opens and edits Figma files. The tool offers built-in AI features, a programmable CLI, and enables real-time collaboration via P2P. It is fully usable locally, free, and can be embedded as an SDK into your own products.
✓ Pros
- + Fully open source under MIT license with complete access to code and engine
- + Figma-compatible with native .fig support and copy-paste functionality
- + Completely usable locally without account, server, or internet connection
✗ Cons
- − As an open-source alternative, may have fewer features than Figma
- − Smaller community and ecosystem compared to established design tools
Use Cases
- → Open and edit Figma files locally without a cloud account
- → Automated design exports and analysis via headless CLI in CI/CD pipelines
- → Develop custom design editors with the Vue SDK
- → Perform AI-assisted design tasks such as layout analysis and token management
Who is it for?
For designers and developers seeking an open-source alternative to Figma who value local control, automation, and customizability.
Tags
What is OpenPencil?
OpenPencil is a design editor under the MIT license that can natively read and edit Figma files. The tool runs entirely locally, with no account, no cloud connection and no internet access required. Teams that want to avoid SaaS dependencies for privacy reasons or on principle get a working editor that handles the widely used .fig format. The source code is open and the engine is embeddable.
Core features
- Figma compatibility: Opens and edits .fig files directly, including copy-paste between OpenPencil and Figma.
- Headless CLI: Enables automated design exports and analyses without a graphical interface, for example in CI/CD pipelines.
- Vue SDK: The editor engine can be embedded in and customised for your own products as an SDK.
- AI features: Built-in support for layout analysis and design token management directly in the editor.
- P2P collaboration: Real-time collaboration without a central server, via peer-to-peer connections.
Who is OpenPencil for?
The primary audience is developers and teams who want to process Figma files programmatically. The CLI makes OpenPencil a useful tool in automated build processes: design exports, token extraction and visual analyses can all be triggered via scripts. Anyone wanting to build their own editor or integrate a design tool into a product can use the Vue SDK for that purpose.
For designers with no interest in automation or code, the benefits are smaller. The editor's feature set falls short of a fully mature commercial tool, and the plugin ecosystem is largely absent.
Context & alternatives
OpenPencil belongs to the category of open-source design tools that use Figma's file format as a starting point. Penpot is the best-known alternative in this space, but it is built on web standards (SVG) rather than Figma compatibility and requires a running instance. OpenPencil differs through its native .fig support and CLI. Anyone who wants to process Figma files without a browser, without an account and via scripts will find a more direct path here than with browser-based alternatives.
