W3Schools Online Code Editor

With W3Schools online code editor, you can edit HTML, CSS and JavaScript code, and view the result in your browser.


Page Title

This is a Heading

This is a paragraph.


This is a paragraph.


Try it Yourself »

Click on the “Try it Yourself” button to see how it works.

The window to the left is editable – edit the code and click on the “Run” button to view the result in the right window.

The “Result Size” returns the width and the height of the result window in pixels (even when you resize the browser window).

You can control the size of a window with the bar in between the windows (draggable gutter).

The icons are explained in the table below:

Icon Description
Go to www.w3schools.com
Menu button for more options
Save your code (and share it with others)
Change orientation (horizontally or vertically)
Change color theme (dark or light)

If you are new to coding, we suggest that you start with HTML, and move on to CSS and JavaScript:

HTML Tutorial
CSS Tutorial
JavaScript Tutorial


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