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HTML Runner

Run HTML code online — instant live preview.

Free HTML runner with CSS and JavaScript support. Paste your code and see results instantly — no downloads, no setup, just run.

Start Free

No credit card required · Free to use

or download desktop client forMac, Windows, Linux

11M+

Developers

23M+

Projects Created

2016

Since

TRUSTED BY *

* registered email accounts from associated companies

PlayCode is the fastest way to run HTML online — paste your HTML code and see results instantly. No setup, no downloads, no account required. Just run HTML code in your browser.

HTML code runner with full CSS and JavaScript support. Our HTML runner executes your complete web pages — HTML structure, CSS styles, and JavaScript logic. See live preview as you type, catch errors instantly, and test on any device.

Test HTML online with real-time feedback. Whether you're debugging a snippet, testing responsive layouts, or learning HTML — our HTML tester shows results as you code. Share your work with a link or publish to a free subdomain.

Why Use an HTML Runner?

An HTML runner lets you execute code without creating local files or setting up a server. PlayCode's HTML code runner works on any device — laptop, tablet, or phone. Run HTML online with CSS and JavaScript, test code snippets, share examples with colleagues, or learn web development with instant feedback. The fastest way to go from code to working web page.

Get on Board

Quick Start from a Template. Start instantly using pre-made templates. Over 2 million NPM packages available from the start. React, Vue, Lodash, RxJs, p5.js, Three.js and more.

See Result as You Type. Experience the fastest coding experience ever with PlayCode. Instantly observe the results as you type.

Debug in Console. Enhance your speed and debugging skills rapidly using PlayCode's efficient platform.

Live collaboration is built-in. Conduct coding interviews or create together with others from anywhere in the world, on any device.

          
            // Task 1: Sum of All Elements in an Array
// Example:
console.log(sumArray([1, 2, 3, 4])); // 10

          
            // Hmm... Let me try
function sumArray(arr) {
    return arr.reduce((acc, curr) => acc + curr, 0);
}

// That's a really elegant solution!

Deploy and Share your Project. Make your projects live with just one click. With zero setup and custom domains, sharing your web apps with the world has never been simpler.

.playcode.io

Features

Code Autocomplete. Enhance your coding speed and efficiency with smart code autocomplete feature. Avoid checking the documentation frequently.

Bug Finder. PlayCode can identify and display all errors, providing assistance to fix them. Write, run code, correct any errors quickly.

The Most Flexible Layout.

Arrange panels as you like.

Upload Assets. Images, videos, sounds, shaders and others.

Color Themes.

Feels great in any environment.

Ready to use
JavaScript Playground

No need to configure your own IDE preset, start immediately.

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Code seamlessly from any device

Jumping from your Mac to your iPad to your iPhone is no problem. Web editor is optimized for all devices.

What our users value

Easy to use

Fast

Best for learners

Best HTML runner I have ever used.

I needed a quick way to run HTML code and test snippets. This HTML runner is perfect — paste code, hit run, see results. No signup, no downloads. My go-to HTML code runner now.

- James Wilson

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Learn HTML, CSS, JavaScript and React easily through our interactive PlayCode Courses. Take a leap in your learning journey and upgrade your skills today.

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HTML Runner

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