What tool do I use to find out how Popular a keyword is?

I can remember long ago a free service like this. Can anyone help with the name of such a service or tool? 

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Try this google tool.

https://adwords.google.com/select/KeywordToolExternal?defaultView=2

Josh

 

Try this free keyword tool...i have been using this from a long time and this can help you a lot to find out which keyword has a good CPC, how many searches the particular keyword generates and many more..check out this http://www.serpanalytics.com/tools/top_keywords

 

Thanks for the reply guys. I was able to find it but the Serpanalytics is great! Even better.

 

You can use the adwords tool or you can also go for the seo book keywood tool.

 

I didn't found SEOBook tool helped me in any way for doing good keyword researching stuffs.

 

I didn't found SEOBook tool helped me in any way for doing good keyword researching stuffs.

 

Thanks. It is really a nice tool especially to research for google adsense top keywords..You can see advertisers are spending lot of dollars on some keywords like webhosting, loans, mortgage.

 

that tools is great and I have try and also has installed it as well at my blog ,because I know that is useful tools for me and alot people more out there ,before try the paid version one from KYC

 

You can use any keyword tool like spyfu, keywordcountry etc

 

That tools are very positive for you and try to use... you will be gainer.

 

Try using this one.

 

Or this one...