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title: Firefox Developer Tools
---
## Firefox Developer Tools
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Firefox Developer tools aid web developers with writing, analyzing, and debugging HTML, CSS and Javascript code.
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Core Features:
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* Inspector: View and edit page content and layout.
* Console: See javascript console.log() messages and errors
* Debugger: View and modify JavaScript running on a page
* Network: See network requests made when pages are loaded
* Performance: Analyze computer resources used by the site
* Responsive Desing Mode: Shows how your website will behave on different device
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#### Accessing Developer Tools
In the menu bar at the top of the screen select Tools > Web Developer > Web Console.
You can also bring up Developer Tools by right-clicking on any element on a web page and selecting "Inspect Element" from the options.
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The tools will appear on the bottom; however, if you like you can dock them on the left or right the screen, or you can have them appear as a separate window altogether.
#### More Information:
* [Firefox Developer Tools ](https://developer.mozilla.org/en-US/docs/Tools )
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