Konva
The leading open-source 2D HTML5 Canvas JavaScript framework for interactive web applications
About Konva
Konva is a powerful, object-oriented JavaScript library for building dynamic canvas applications. It offers a robust API for shapes, animations, drag-and-drop, filters, and high-quality exports, with official integrations for React, Vue, Svelte, and Angular. Trusted by global teams, Konva is MIT-licensed, actively maintained, and ideal for design editors, data visualizations, games, and more.
FAQ
Yes, Konva.js is MIT-licensed and completely free for both commercial and personal use. There are no paid tiers or premium features.
Use react-konva, the official React binding for Konva.js. Install it via npm: npm install react-konva konva. Then import the necessary components and use them in your React application.
Yes, Konva.js ships with built-in TypeScript type definitions. No additional @types package is needed. Simply install konva and TypeScript will pick up the types automatically.
Yes, with proper optimization. Key techniques include layer management, shape caching, disabling listening on shapes that don't need events, batch draws, and disabling perfect drawing.
Yes, Konva.js fully supports mobile browsers with touch events, multi-touch gestures, and responsive canvas sizing.
Yes, Konva.js supports server-side rendering using the canvas npm package. This allows you to generate images on the server, create thumbnails, or run canvas operations in Node.js without a browser.
Set draggable: true on any shape. Konva supports drag boundaries, snap-to-grid, drop events, and drag-and-drop between layers.
Yes, Konva.js is actively maintained with regular releases. Check the changelog for recent updates and the GitHub repository for ongoing development activity.
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