There are a number of ways to improve your web browser to make it a more effective Wikipedia tool:
- install plugins
- add pre-saved bookmarks to your favorites
- add bookmarklets to your favorites or to your browser's toolbar
- add the Wikipedia Toolbar to your browser
As you can see, tools are implemented in a number of ways. There are tools available for many different purposes, and with many different functions, and some that are multipurpose. Many of these are explained at Wikipedia:Tools/Browser tools, which includes a list of tools, for each major browser.