Magento Ajax Search Autocomplete and Suggest is the most flexible way to add an attractive Ajax powered quick search. http://cmsmart.net/magento-extensions/magento-ajax-search-autocomplete-and-suggest

1. Magento Ajax Search Autocomplete and Suggest
Magento Ajax Search Autocomplete and Suggest is the most flexible way to add an attractive Ajax
powered quick search.
 An easy keyword search is the key component on an user-friendly online shop, Cmsmart
Magento Ajax search extension will enhance your magento website with a powerful
autocomplete and keyword functionality.
Even though you've done smart arrangements with a menu, product modules and
guideline techniques, an officially research has confirmed that 90% of users prefer using
a keyword search for what they are looking for on your website.
o NewShow instant results.
Magento Ajax Search Autocomplete and Suggest extension automatically detects
what your customers are typing and suggest results
o Feature Products' details can be configured
Products' details can be configured to show necessary details in the pop-up
o New Keywords are highlighted
Keywords are highlighted with CMS pages when you browse them on the pop-up.
o Feature Search by category

2. Search based on Magento Category which is a drop down list
o Instantly look for results.
Magento Ajax Search uses Ajax technnology to simplify the loading process and
give customers instant search results. Show other search results in product’s
thumbnail images in a pop-up.
o Search by category.
Filter based on Magento category which is a drop down list. Your customers can
filter products with one, two or many categories at the same time.

3. o Call out suggested terms.
When shoppers type any keywords in the search box, Magento Ajax Search
extension will instantly look for matched results and call out suggested terms and
products.
o Search by attributes.
Search by products' attributes: name, short description...

4. o Show matched categories.
The extension automatically shows the pop-up with found categories
o Show matched CMS pages .
Show matched CMS pages relevant to contents

5. o Highlight matched terms.
Your customer can see highlited texts/strings while they are searching products
o Configure products' details.
Admin can configure products' details to show necessary information in the pop-
up such as products images, products names, a short description, price and ratings

6. o Configure search by category.
Admin can config use search by category yes/no, numbers of category customer
can choose, customize style
o Customize pop up skin.
Admin can configure the search pop-up with box sizes, border colors, border
width, backgrounds, etc

7. o Customize highlight texts.
Configure sizes and colors of the highlights
o Customize products thumbnails .
Configure products thumbnails with heighth, width, border, etc

8. o Enable/disable categories results.
Admin can enable/disable ability to gather products according to categories