You are here: Download > Updates > Internet > Web Browsers & Co. > Browser Add-ons

Firefox extension that uses JavaScript browser programs to change the appearance of web sites in almost any way.

Comment now

Extension of Firefox, Internet Explorer, Safari and Google Chrome for synchronising bookmarks on different computers. Requires you to set up an account with the manufacturer and enables access via the web interface. The iPhone version isn’t currently available in the iTunes Store. The version numbers are based on the Firefox extension.

Comment now

This tool adds a screenshot function for web sites to Firefox. It can save entire pages, single frames or any extracts from a graphics file. It stores this data either in PNG format or in the Windows Clipboard.

Comment now

Security extension for Firefox which prevents general execution of Javascript and Java and manages user-defined pages on a whitelist. Fast and secure download from The H

Comment now

Add-on for administering user scripts in Google Chrome. Includes an editor with syntax highlighting, a script search for the currently displayed pages, compatibility options for Greasemonkey scripts, and other functionality.

Comment now

Expansion pack for Firefox, Google Chrome, Internet Explorer, Safari and Opera which allows safe surfing by providing information about the trustworthiness of a web site about to be accessed.

Comment now

User profile for the Firefox web browser, optimised for secure anonymous surfing. The profile has been designed for use with the JonDo anonymisation program, but can also be used with other services such as TOR or standalone.

Comment now

Firefox plug-in for speeding up navigation by displaying a grid with your favourite web sites, shown as thumbnails, as its start page (like in the Opera browser). To open a web site, simply press ALT + (number of thumbnail).

Comment now

Plug-in for watching Flash animations online. Can also play MPEG-4 AVC (H.264) and High Efficiency AAC (HE-AAC) files.

Comment now

Browser extension for Firefox, Thunderbird and SeaMonkey, Firefox Mobile, Google Chrome and Opera which blocks ads on web sites. Ads can be blocked by clicking on the content or by entering ad URLs (regular phrases can also be entered). Also hides Facebook social plugins. Fast and secure download from The H

Comment now

Add-on for the Firefox, includes JavaScript debugging of a web site that executes JavaScript code, and inspectio and customization of the page source code, the CSS and the DOM properties. Fast and secure download from The H

Comment now

Extension of Firefox that creates screenshots from web pages. Includes tools for editing and making notes. Also allows you to store entire web sites as graphic files.

Comment now

Firefox and Google Chrome add-on that provides a bar with web developer tools. Can display the size and outlines of various page elements, hide images, display CSS changes and much more. Also available for the Flock and [PRG,SeaMonkey] browsers. Fast and secure download from The H

Comment now

Firefox and Chrome upgrade that sets up only encrypted connections (HTTPS) to web sites. The Chrome add-on is currently available only as a beta version for testing purposes.

Comment now

Allows you to carry out quick searches via the Firefox browser's address bar, featuring shortcuts to Google, Google Maps, YouTube, Wikipedia, eBay, Amazon and other sites. Suggest (search suggestions) and Instant Loading (loading while a term is being entered) can be configured individually for each search plug-in. Fast and secure download from The H

Comment now

Extends Safari by adding other search engines for the search field and reopens the most recent tabs. Provides search suggestions, auto-completion, dated download folders and thumbnails for search results from Google and Yahoo. Links can always be opened in new tabs.

Comment now

Enhanced version of Firefox, with which the user can save embedded and linked content on the open web page onto the hard drive.

Comment now

Add-on for Firefox that displays which web sites are monitoring you with cookies during surfing. Displays the results in a graphic. Also available as an add-on for Chrome.

Comment now

Integrates some older functions such as the status bar, progress metre and download status into Firefox 4/5.

Comment now

Firefox extension, integrates an FTP client to the browser. Available in different languages.

Comment now