excalidraw-render

Node.js renderer for Excalidraw JSON → PNG, using Playwright + Chromium.

Install

npm install @excalidraw-skill-pack/render

Usage

Library

import { renderToPng } from "@excalidraw-skill-pack/render";
import { readFile, writeFile } from "node:fs/promises";

const json = await readFile("diagram.excalidraw", "utf-8");
const png = await renderToPng(json, { theme: "default-sketchy", scale: 2, width: 1200 });
await writeFile("diagram.png", png);

CLI

excalidraw-render diagram.excalidraw --theme default-sketchy --output diagram.png --scale 2 --width 1200

Options

| Option | Default | Description | |--------|---------|-------------| | --theme | default-sketchy | Theme name | | --output / -o | <input>.png | Output path | | --scale | 2 | Device pixel ratio | | --width | 1200 | Max viewport width in px |