#10 in Design ToolsUpdated 2026-08

OpenPencil

by OpenPencil · Open-source design editor that opens Figma files

37.2 — BenchRank score out of 100

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Overview

OpenPencil is an open-source design editor that opens Figma .fig files natively via a Kiwi binary codec and supports copy and paste with Figma. It runs locally as a ~7 MB desktop app installed through Homebrew, or in the browser, with no account or server. A headless CLI, a Vue SDK and built-in AI chat with 90 tools sit on the same core.

Best for: Designers and developers who want a local, open-source editor that opens Figma .fig files.
Pricing: No prices are shown; the site states the app is free to use under the MIT licence with no account required.
Runs on: WebmacOS

Strengths and trade-offs

Strengths

Opens .fig files and copies/pastes to and from Figma
MIT licensed: editor, engine, file codec and CLI
Runs locally with no account, server or internet
Headless CLI and MCP server for Claude Code, Cursor, Windsurf

Trade-offs

Collaboration is P2P via WebRTC, with no server-hosted sessions
Custom editing surfaces require the Vue SDK, so Vue only
Figma Plugin API support runs via eval, not a native plugin runtime

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support: 60 out of 100
API quality: 0 out of 100
Documentation: 0 out of 100
Agent friendliness: 82 out of 100
Changelog: 80 out of 100
Marketing site structure: 50 out of 100
Operational trust: 0 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness: 60 out of 100
Maintenance: 100 out of 100

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