Since I install a new Firefox Browser every once a while, I list the extensions which I use myself on this page. So I don’t have to search for them every time.
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Enhancements to certificate viewer (Display in PEM format, export to file).
A clean easy to use amd highly extensible Internet Relay Chat (IRC) client.
Expands the context menu’s ‘Search for’ item into a list of search engines.
Proactive cookie management on a site or domain level basis, including 3rd party cookies.
Displays the current page’s heading structure in the sidebar, allowing rapid navigation beetween sections. The extension generates an index (or map) of any web document structured with headings.
Display the Google pagerank in your browser’s status bar.
A lightweight RS and Atom feed aggregator.
Navigate up one level (directory).
View cookies of the current web page.
Adds (easy hideable) menu and toolbar with various web developer tools.
Inserts preview images (thumbnails) of web sites and Amazon products into the Google and Yahoo search results pages.
Shows a little flag icon in the status bar indicating the current website’s server location.