Toolzie

Codie

Preview

How to Use the Online Code Editor

Write HTML/CSS/JS in panels. Live preview updates automatically. Resize panels, toggle layouts.

Test ideas, prototype, debug, learn web development without local setup. Instant visual feedback.

Frequently Asked Questions

Real-time preview?

Yes, updates automatically as you type.

Save?

Copy from panels; designed for quick testing.

Languages?

HTML, CSS, JavaScript, external libraries via CDN.

Learning?

Excellent tool; instant preview shows code-to-visual immediately.

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Helpful?

About This Tool

The Toolzie Code Editor is a lightweight browser-based code editor with syntax highlighting for HTML, CSS, JavaScript, Python, and more. Write, test, and share code snippets without installing any software.

How to Use

  1. Select your programming language from the language dropdown.
  2. Write or paste your code into the editor.
  3. Use the built-in formatting and highlighting to review your code.
  4. Copy your code or download it as a file.

Frequently Asked Questions

Does the code editor run my code?

The editor supports live preview for HTML/CSS/JavaScript. For other languages, it provides editing and highlighting only.

Is my code saved?

Code is not saved to a server — it exists only in your browser session. Download your file to save it permanently.

Can I use this on mobile?

Yes, the editor works on mobile browsers, though a keyboard and larger screen improve the experience.

What languages are supported?

HTML, CSS, JavaScript, Python, PHP, SQL, JSON, Markdown, TypeScript, and more.