Nothing beats an manual review for keyword difficulty. These tools never seem very accurate to me. What is it exactly that you require? Volume? Or competition difficulty?

​If I had to choose three keyword research tools that I use the most regularly. I'd have to choose:

1) SEMrush - Hands down for the competitive insight. Finding what your competition are ranking for is invaluable when building out a strategy to improve organic visibility.

2) SISTRIX - Similar to SEMRush, SISTRIX is great for competitive research, it's also good to identify historical keyword performance on certain domains which is translated into client-friendly visibility chart!

3) Keywordtool.io - for the more long-tail variants of keywords identified by the above tools. SEO has moved on from just targeting an exact-match, vanity keyword, you've got to build long-tail context around such terms.

I am also using google keyword planner, And yes it is better than all other tools I have seen or used so far.

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Hi bigcat1967,

The best keyword tool for Keyword Analysis is Google Keyword Planner.
But there are other Keywords Analysis tools also available over the internet like SEMrush, wordtracker, seotool.io etc

ahref is the best tool for keyword analysis.

if you are looking for a paid tool then ahref and if for free then no one can be good from google keyword planner.

Nothing better than Google AdWords Keyword Planner for FREE.

Steve

As a free tools for analysis, google keyword planner & SEMrush are the best.

I am also using Google AdWords keyword planner. But, I have used many tools and let me tell you one thing that no other tool is better than Google's.

DENSITY ANYALYZER tool is best for the keyword analysis.

Best free & effective tools for keywords analysis which i would like to recommend you are:
Google AdWords keyword planner
SEMrush
ahref.
But among all the 3, Google keyword planner is the most effective one.

Wkeyfinder is one the best tool for keyword research.

Look:
If you need only keyword search then you should focus on ahref.com

Semrush, keyword planner, kwplanners and manual reserch

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