How to change address bar search provider in firefox?

In order to change the search provider of address bar in firefox, perform following steps:

1. In address bar type about:config and press enter.

2. Then you will receive following warning message. Accept it to see the configuration option.

3. Enter keyword.url in the filter and locate the parameter keyword.url.(Here default search provider is yahoo)

4.To change the default search provider from yahoo to google right click keyword.url and select “Modify”. 

5. Following window appears showing default yahoo search provider. 

6. Replace it with google search provider as shown in fig. and click OK. (No need to restart firefox)

For other search provider replace it with following string value:

Google Browse By Name:  http://www.google.com/search?ie=UTF-8&sourceid=navclient&gfns=1&q=

Google I’m Feeling Lucky: http://www.google.com/search?ie=UTF-8&btnI=&q=

Google Default: http://www.google.com/search?&q=

Yahoo Search: http://search.yahoo.com/search?p=

Bing Search: http://www.bing.com/search?q=

Ask:http://www.ask.com/web?q=

References

http://ramesh-shrestha.com.np