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  1. MDN Web Docs Glossary: Definitions of Web-related terms
  2. Mozilla Firefox
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Table of contents

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Mozilla Firefox

Mozilla Firefox is a free open-source browser whose development is overseen by the Mozilla Corporation. Firefox runs on Windows, OS X, Linux, and Android.

First released in November 2004, Firefox is completely customizable with themes, plug-ins, and add-ons. Firefox uses Gecko to render webpages, and implements both current and upcoming Web standards.

See also

  • Mozilla Firefox official website
  • Firefox developer documentations on MDN

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Last modified: Oct 8, 2021, by MDN contributors

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