developer.mozilla.org A beginner-friendly guide to view transitions in CSS 9 months ago Learn how to bring smooth, animated navigation to multi-page apps with view transitions. With just one line of CSS, you can enable seamless transitions between pages. Recent contributions mdn/translated-content 1 day ago chore (fr): update of `Web/API ...

Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online.

Mozilla 的状况 随着 AI 巨头不断加速权力集中，科技的未来正走到十字路口。 《2025 年 Mozilla 现状报告》是一份邀请，诚邀您与我们共同选择一个完全不同的未来。

Access the directory listing for Firefox releases, featuring various versions of the browser for download and installation.

Знаете ли? Mozilla, създателят на Firefox, се бори да запази Интернет отворен и достъпен за всички глобален публичен ресурс.

JavaScript (JS) is a lightweight interpreted (or just-in-time compiled) programming language with first-class functions. While it is most well-known as the scripting language for Web pages, many non-browser environments also use it, such as Node.js, Apache CouchDB and Adobe Acrobat. JavaScript is a prototype-based, garbage-collected, dynamic language, supporting multiple paradigms such as ...

Keine Kompromisse, bei den Dingen, die dir wichtig sind: Sicherheit, Produktivität und die Freiheit, so zu sein, wie du willst – mit Firefox.

Hinweis: Firefox lädt möglicherweise das neueste Update immer noch im Hintergrund herunter, auch wenn das Fenster „Über Mozilla Firefox“ anzeigt, dass er aktuell ist. Updates werden erst nach einem Neustart von Firefox angewendet. Wenn der Download abgeschlossen ist, klicken Sie auf Zum Abschließen des Updates Firefox neu starten.

Download Firefox extensions and themes. They’re like apps for your browser. They can block annoying ads, protect passwords, change browser appearance, and more.

Products Firefox is just the beginning. Mozilla’s family of products are all designed to keep you safer and smarter online.