Dismiss Join GitHub today GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together. Sign up MozRepl lets you program Firefox and other Mozilla-based applications from the inside. Curious? See how. Installation Install from addons.mozilla.org. (To use with XULRunner: Right-click → “Save Link As…” then save in your app’s exte

Have you ever been annoyed when you wanted to see a document and the download popup appears which forces you to select an external application to view it? This extension allows you to open the document directly in your browser. Version 2.0 and later is rewriten using the WebExtensions API. A limitation is that the extension is not able to detect the type when the server does not specify an explici

Firebug は、Web ページを閲覧中にクリック一つで使える豊富な開発ツールを Firefox に統合します。あなたはあらゆる Web ページの CSS、HTML、及び JavaScript をリアルタイムに編集、デバッグ、またはモニタすることが出来ます。 Firefox 専用 — 今すぐ Firefox をダウンロード

DOM Inspector is a tool that can be used to inspect and edit the live DOM of any web document or XUL application. The DOM can be navigated using a two-paned window displaying a variety of different views on the document and all nodes within. Firefox 専用 — 今すぐ Firefox をダウンロード