No sign-up. Free forever.

Free HTML, CSS, and JavaScript Playground

Myztic Playground is a free, no-signup HTML, CSS, and JavaScript playground with live preview, local browser save, and ZIP export. It is built for learners, teachers, prototypers, and developers who want to test frontend code without installing software or creating an account.

Start coding for free See how it works
  • ✓ Runs in your browser
  • ✓ Saved locally
  • ✓ Export as ZIP
✦Myztic Playground
<> HTML# CSSJS JavaScript
HTML6 lines
1 <main class="card">
2   <span class="eyebrow">
3     MYZTIC PLAYGROUND</span>
4   <h1>Make something
5     <em>wonderful.</em></h1>
6 </main>
Saved locallyCtrl + Enter to run
PreviewRunning
MYZTIC PLAYGROUNDMake something
wonderful.

Edit the code, then press Run to bring it to life.

BUILT FOR THE OPEN WEB
  • <> HTML5
  • # CSS3
  • JS JavaScript
  • ▣ Live Preview

Direct answer

Quick answer

Myztic Playground is an online HTML, CSS, and JavaScript tester. Type code into three focused editors and run it in a live preview beside your work—no local setup, package install, or account required.

Your project stays in your browser and is restored when you return. When you are ready to keep building, export clean HTML, CSS, and JavaScript files in one ZIP.

Myztic Playground at a glance

PriceFree
Signup requiredNo
LanguagesHTML, CSS, and browser JavaScript
PreviewLive browser preview with Run and Stop controls
Project storageLatest project saved locally in the current browser profile
ExportZIP containing index.html, styles.css, and script.js

Everything you need

A focused toolkit, without the clutter.

▶

Instant live preview

Run HTML, CSS, and JavaScript together and see your changes in a clean preview panel.

Ready when you are.
⌘

Three focused editors

Switch cleanly between HTML, CSS, and JavaScript without toolbars getting in your way.

◇

Private by design

Your code runs inside an isolated browser sandbox and is never sent to a code execution server.

↓

One-click export

Download a ready-to-use ZIP containing index.html, styles.css, and script.js.

↻

Local autosave

Keep your latest work in local browser storage, ready for your next visit.

Made for making

A playground for every kind of builder.

  • 01

    Learning the basics

    Practice HTML structure, CSS styling, and browser JavaScript with immediate feedback.

  • 02

    Testing an idea

    Reproduce a UI detail, try a CSS technique, or validate a small script without opening a project.

  • 03

    Teaching the web

    Share a simple, distraction-free environment for workshops, demos, and coding lessons.

  • 04

    Prototyping quickly

    Turn a rough interaction into a working frontend proof of concept while the thought is fresh.

Try an example

Start with a spark.

View all examples

Common questions

Good to know.

Is Myztic Playground free?

Yes. It is free to use, with no account, trial, or payment details required.

Do I need to sign up?

No. Open the playground and start writing HTML, CSS, and JavaScript immediately.

Can I test HTML, CSS, and JavaScript?

Yes. The three focused editors combine your browser-native HTML, CSS, and JavaScript into one preview.

Does it have live preview?

Yes. Press Run or Ctrl+Enter to rebuild the isolated preview from the current editors.

Does it save my code?

Your latest project is saved in the current browser profile. It does not sync between devices, so export important work.

Can I export my project as a ZIP?

Yes. Download a ZIP containing index.html, styles.css, and script.js.

Can teachers use it in class?

Yes. Students can begin without accounts or installations. See classroom uses.

Open a blank canvas

Your next idea can be running in seconds.

No setup. No account. Just the browser and a little curiosity.

Start coding for free