How do firefox extensions work

Tab windows. Adds a page action to the toolbar. Click the button to apply a red border using injected CSS. Click the button again to remove the CSS.

Adds a browser action icon to the toolbar. Click the button to choose a beast. The active tab's body content is then replaced with a picture of the chosen beast. Adds a bookmark button to the toolbar. Click the button to toggle a bookmark for the current page. Demonstrates using the commands API to set up a keyboard shortcut. Add a context menu option to links to copy the link to the clipboard, as plain text and as a link in rich HTML.

Begin by reading the name of each extension. We recommend that you review all extensions installed individually, even those that are disabled. If you come across an extension you do not recognize, the following process will guide you in reviewing it. If you do not remember installing the extension, it is best to remove it. Such extensions may have been installed without your knowledge and could be malicious. If you are experiencing difficulties with uninstalling an extension, see Cannot remove an add-on.

Ask yourself if you still need the extension. You might have installed an extension in the past to complete a task. Remove the extension if it no longer serves a purpose for you. If you are questioning whether you should keep the extension, continue to the next question. If you plan on using the extension in the near future, you should look into what the extension is allowed to do.

For extensions installed via addons. For information on permissions, visit Permission request messages for Firefox extensions. Tabs tree and bookmarks in sidebar with advanced containers configuration. View definitions easily as you browse the web. Double-click any word to view its definition in a small pop-up bubble.

It also supports Spanish, German, French language alongside English. Enjoy Reading Uninterrupted!!!. Stream just the audio from YouTube to save bandwidth and battery life. Extensions Explore powerful tools and features to customize Firefox and make the browser all your own. Webmail Ad Blocker Remove advertising clutter from your web-based email.