I’ve used a bunch of different websites for searching for flights over the past couple of years and I was surprised to run across another site that made the experience better. Hipmunk is a nifty little flight search engine that makes finding the right flight a breeze. Check it out.
Hipmunk Flight Search
A nice real-time image search engine to find popular and trending images on the web.
Nachofoto
Here’s an interesting visual search tool for searching and previewing PDF files.
LocPDF
Live PDF is a nice ebook search engine that pulls out the PDF files from Google and Bing search results.
Live PDF
Sometimes Windows’ default file search can be a pain. UltraSearch, which is fast and has a clean interface, could be a better replacement for that.
UltraSearch is a Nice Windows Search Tool
Ever wonder what items would be similar if you search the phrases “what do men” and “what do women” in Google? Check out this website where you can type two search phrases and see which items are similar and which are different. Pretty neat!
Web Seer

In this case, we highlighted the Metropolitan Museum of Art address and a small map of the Upper East Side of Manhattan appeared. This would be a great tool if just for that but there’s more. See Google, Bing, Amazon, YouTube, Twitter, Facebook (and more) results without leaving the page you’re on. KwiClick integrates with FireGestures and is completely configurable. For a description of additional features, see the links below.
KwiClick v2.4.1 extension from Firefox Add-ons
KwiClick Home
Just got a copy of Macromedia Dreamweaver or Adobe Photoshop? Or maybe you want to learn how to code in Java or PHP? Whatever the case, check out Manuals Search Engine, a custom Google search engine that lets you quickly search through thousands of software, programming, and tech manuals online.
Manuals Search Engine
The Searchbar Autosizer changes the size of the searchbar based on the length of the query, a predefined length or by keeping it the same size all the time. Very handy if long searches needed to be seem in their entirety. You can also set minimum and maximum pixels. 5 star rating review at the add-ons page.
Searchbar Autosizer homepage @ MozDev
Install Searchbar Autosizer v1.4.5 @ Firefox Add-ons
grep originally was a command line utility used to search for text in files on UNIX. It’s also a popular search utility on Linux. And now you can use this powerful tool in Windows! Windows Grep is a simple to use text search utility that lets you search multiple files at once using regular expressions.
Search Multiple Text Files