Booster is a search tool for the Chrome browser that enables you to open selected text in various search engines. It supports the following search engines: Google, Yandex, DuckDuckGo, Ask, Startpage, and a few others. You can also bookmark websites with this feature.

Booster PRO is an improved version of this extension with several improvements and bug fixes. It also adds new features that allow you to add extra search engines to your context menu. Additionally, you can add a check-box to hide/show them at a given time. The context menu also allows you to add bookmarks.

The options menu now has a new feature called the "Options" tab. It allows you to change settings such as default search engines, maximum open tabs, bookmarks, etc. This tab is accessible by default when the "Options" button is activated.

A new feature is added to this version. Now, you can remove your search history.