Build and preview simple frontend code with ToolerWork Code Studio. The HTML/CSS/JS workspace gives you separate files, a sandboxed preview, and quick browser testing for UI snippets.
<h1>Hello from ToolerWork</h1> <button id="run">Run</button>
Live preview refreshed in the browser preview panel.
HTML, CSS, and JavaScript files are combined into an isolated preview document in the browser. It is designed for focused snippets and learning tasks where a fast browser workspace is more useful than a full local project.
Start with the built-in project, replace its sample with one of these focused examples, and compare your result with the expected output.
Combine semantic HTML with CSS in the separate project files.
<article class="card">
<h2>Browser preview</h2>
<p>Edit and run this page locally.</p>
</article>Expected: A styled card appears in the Preview panel.
Try in editorUse script.js to add a simple DOM interaction.
document.querySelector("button")?.addEventListener("click", () => {
document.body.dataset.clicked = "true";
});Expected: The page state changes after the preview button is clicked.
Try in editorYes. Code Studio builds a sandboxed iframe preview from the local HTML, CSS, and JavaScript files.
Yes. The starter project includes index.html, style.css, and script.js.
Yes. Preview console messages are captured and shown inside Code Studio.
Yes. The preview runs in a sandboxed iframe for safer browser execution.
HTML, CSS, and JavaScript files are combined into an isolated preview document in the browser. The workspace also keeps the active project in local browser storage.
The preview is sandboxed and is intended for small frontend prototypes, not production hosting. Backend routes, npm builds, private APIs, and server-side code are not available.