
Generative AI code editor and HTML, CSS, JS playground
Liveweave is a free, browser-based code playground for HTML, CSS, and JavaScript with real-time live preview. It bundles 40+ popular front-end libraries, built-in tools like a CSS Explorer and Color Explorer, AI code assistance, and live collaboration, letting developers prototype, test, and share web snippets without any local setup.
See HTML, CSS, and JavaScript changes render instantly in a split-pane preview as you type.
One-click inclusion of popular libraries and frameworks like Bootstrap, Tailwind CSS, React, jQuery, D3.js, and Three.js.
Generate and assist with code directly in the editor using built-in AI.
Interactively experiment with CSS properties such as gradients, shadows, and transforms and copy the generated code.
Find colors, complementary palettes, and shades to use in your designs.
Live JavaScript and CSS validation flags errors and issues as you code.
Share a session and edit code together with teammates in real time.
Quickly mock up and test HTML/CSS/JS snippets without setting up a local dev environment.
Beginners and students practice coding with instant live feedback and built-in references.
Educators demonstrate concepts and share runnable examples via a link.
Save and share reproducible front-end snippets with teammates or the community.
Auto-format HTML, CSS, and JS, then download your work as an HTML file or ZIP archive.
Start coding immediately without signing up; create an account only to save and manage weaves.
Simple, free, fully responsive one-page sites