keyword analysis tool

There are many other tools than Google keyword planner. The point is that how much you trust other tools for search volume data. I am listing here some other tools that may help you:

Ahrefs: Powerful keyword research tool which provides keyword ideas as well as search volume for all match types

SEMRush: For keyword ideas, estimated search volume, estimated cpc, keyword difficulty score, and current ranking domains for a keyword.

Moz Keyword Explorer: You can choose from nearly any location in the globe to conduct your search. Keyword results include related query ideas alongside estimated search volume and a keyword difficulty score.

Bing: Bing’s keyword tool can provide helpful insights on related keywords. You need to have a website verified in Bing’s Webmaster Tools in order to use the tool.

Wordstream: A free keyword tool which allows a limited number of searches, but Wordstream’s paid subscribers can see search volume, too.

Google keyword planner is best tool for find best keyword for any website and it is properly working. But if is suggest you one another keyword finder tool so you can go with "KeywordXtreme.exe" tool. It is one of best tool to find out best keyword.

Try Rank Tracker from SEO PowerSuite. It uses 17 different keyword research tools (Keyword Planner, Keyword Discovery, Google/Bing Autocomplete and Related Searches, etc.) to give you a diverse keyword list of hundreds of high-converting, low-competition long tail keywords.
Available in free and paid editions.
And there is a sale soon, so a great chance to try it for real cheap!

Google keyword Planner in Adwords. But you can use this tool even if you never plan on buying ads. You just need a free Google Adwords account, which you can sign up for right now using your existing Google (or Gmail) account.

google keyword planner and webmaster tool are two different things...both are working and you can get keywords for your blog using keyword planner...both are free to use