Search

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Fire up all search engines at your disposal with a single shot.Use this extension to search any site that provides access to its search engine through a URL.

Bookmark URLs of the format http[s]://...%s... where %s will be replaced by your search query.
You can do this by right-clicking the bookmark bar and selecting "Add page".

Chrome already automatically collects URLs that can be readily used by the extension, after they have been bookmarked.
You can view this collection by right-clicking on the URL bar and selecting "Edit search engines...".

Some useful suggestions are public websites, such as

https://en.wikipedia.org/w/index.php?Search&search=%s
http://caniuse.com/#search=%s

or personal portals like

https://drive.google.com/drive/search?q=%s
https://inbox.google.com/search/%s