You can have certain functionality in browsers that have not the possibility to load addons. This technique has been invented more than 10 years ago, but is not well known. Bookmarklets are small java scripts that are stored as bookmarks. It’s a simple way to get ingenious functionality in weak browsers. Need an example? Here you are. Just create a bookmark in your bookmarks toolbar and put this in the location textbox.
This bookmarklet helps you to add the current webpage to your Google bookmarks. It’s very handy.