Firefox add-ons

Firefox is a powerful web browser; it’s popular since it’s free and offers a great many add-ons and plugins that enhance its capabilities. I decided to present a set of add-ons I use and find useful. They are groupped in a few categories, which facilitates browsing.

Developer tools


Great extension that facilitates developing web pages.
It allows inspecting and editing HTML, tweak CSS, visualize CSS metrics, monitor network activity, debug JavaScipt, localizing errors exploringg DOM…

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Web Developer

Supports web pages developing. It adds a menu and a toolbar to the browser with various web developer tools: disabling coockies, css, images; outlining pages sections, validating pages, viewing the source, support for forums.

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Html Validator

It’s visible as an icon on the taskbar. Html Validator validates each page you browse and shows whether it passed the test or not. If not it show the errors and warnings.
It’s perfect if you create a web page and want it keep in concordance with W3C standard. During the development, you always see if it validates correctly or not. In fact, making little improvements it’s easier and faster that improve the final version of a web page.

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Advanced Eyedropper, ColorPicker, Page Zoomer and other colorful goodies which residates on the taskbar. Among others, it allows picking the color of the specific item on a web page.

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Semantic Web

Semantic Radar

Semantic Radar detects semantic metadata on pages you visit. One it detects semantic annotations on a web page, it onforms about it by showing an icon in the taskbar. Currently it supports SIOC, FOAF and DOAP metadata. Also it pings the Semantic Web Ping Service when metadata are detected. This allows for a community based discovery of the Semantic Web data.

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Zotero helps collecting, managing, and citing research sources one encounters on the Web (Wikipedia, Amazon etc.). Look a demo to learn more on how it works.

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Browsing helpers

Mouse Gestures

Allows you to execute common commands (like page forward/backward, close tab, new tab) by mouse gestures drawn over the current webpage, without reaching for the toolbar or the keyboard.

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PDF Download

Everytime you cilck on a link to a pdf document it asks wheter you want to download or view it inside the web browser.

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Once installed, it’s a snap to filter elements at their source-address.

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Adblock Filterset.G Updater

Used along with Adblock it blocks most ads on the Web.

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Download Statusbar

Allows you to view and manage downloads from the status bar in spite of running a ne window.

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Shows the current weather condition for the set location. Also it shows forecast for upcoming days.

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Dictionary Tooltip

When you press ctrl+shift+D or double-click or right-click after selecting a word you are given its meaning. This extension is ideal for those who doesn’t like to switch their window to see the meaning of a word.

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Better search

It enhances the most popular search engines (Google, etc.). It adds to the result list thumbs of found web pages.

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If you have an accounton it is necessary to use it. It allows tagging pages and quick redirecting to your bookmarks.

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