# Editing a web page [edit]

This page describes how to edit a web page in Firebug.

## Introduction

You can edit the HTML or CSS on any web page and view a real time preview using the editor functionality in Firebug.

## Instructions

To edit the HTML or CSS of a web page in Firebug:

1. In the lower right corner of Firefox, click the Firebug button to start Firebug.
2. Click the appropriate tab for the content that you want to edit--either for HTML or for CSS.
3. Click the editor area (under the tab) to edit the content.
   - For the HTML editor, click the tag that you want to edit, and then edit the attributes, their values, or text content.
   - For the CSS editor, click the property, attribute, or value that you want to edit, and then type your changes. You can also click the toggle icon that appears when you hover over a property to see what effect toggling certain CSS properties on or off has on a page. (See image below.)

As you type your changes, the page should instantly update to reflect your changes.

## Related Topics

- About Firebug
- Installing the Firebug extension
- Inspecting HTML
- Inspecting CSS
- Monitoring XMLHttpRequests
- Writing to the Firebug console
- Setting breakpoints in Firebug
- Profiling code performance

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Category: AptanaHelp