Top 11 Best Keyword Research Tools for SEO in 2019 (Free and Paid)

Keywords play the most important role in search engine optimization. If you are not getting enough traffic from search engines even after applying many SEO techniques then you should focus on targeting proper keywords.

If you have just started a blog and trying to rank on a most popular keyword then its very hard to get rank on search engine. I can say it’s impossible for any new website to rank on a popular keyword in a short time.

Still, you can rank your website on the top 10 results of search engines. But for that, you have to target proper keywords which have low keyword difficulty and enough search volume.

To find these keywords, best keywords research tools will help you to choose proper keywords for your blog.

Also read, How to do keyword research for SEO.

Here I have listed some handpicked best keyword research tools for SEO in 2019. Some of these tools are free and some are paid. You will find the big keywords list for your blog in paid tools than free tools.

Top 10 Best Keyword Research Tools for SEO in 2019


SEMRUSH - Best Keyword Research Tool for SEO

SEMRUSH is one of the most popular and best keyword research tools. This is not only a keyword research tool but it is a complete search engine marketing tool.

Freelancers, bloggers, SEO companies and everyone can use it to rank and optimize their websites in search engines. Using SEMRUSH, you can find the best keywords for your website plus a complete analysis of your website. This analysis includes features like backlink analysis, competitor analysis, keyword analysis, and many more.

Following are the features that you will find in SEMRUSH Keyword Research Tool:

  • Best keywords list with Traffic, Keyword Difficulty, CPC, Competition, and Trend for a Specific Keyword.
  • Advanced filter for all above options.
  • Questions which are asked on keywords
  • Country-specific keyword research
  • Export the keyword result
  • Still many more features in Semrush.

You can check all the features of SEMRUSH tool in our SEMRUSH review article and get 30 Days free trial.

2. KWFinder

KWFinder - Best Keyword Research Tool to find Long Tails Keywords

KWFinder tool is the best keyword research tool that is created only for keyword research purpose. Using KWFinder, you can get the list of keywords with many options. You will get the keywords with their search volume, trend, CPC, PPC, and Keyword difficulty with advanced filter.

Features of KWFinder:

  • You can find Long Tail Keywords
  • Organize your Keywords
  • Filter Recommended Keywords
  • Localized Results for Local Keywords
  • Google Suggest Keyword Source
  • Import Keywords list
  • Trending Keywords
  • SERP analysis and SEO metrics
Best Keyword Research Tools

KWFInder is available in both free and paid plan. In the free plan, you have very limited access to all the features. To get full access to all the features, you need to buy a paid plan.

3. Ahrefs Keywords Explorer

Ahrefs Keyword Explorer

Today, Ahrefs is the most used tool for many SEO purposes. One of them is keyword research with too many advanced features.

Features of Ahrefs Keyword Research Tool:

  • Research Keywords for 171 Countries
  • Keywords for 10 different Search Engines
  • Accurate Search Volumes
  • Keyword Difficulty Score
  • SEO metrics like Return rate, Clicks per search, % of clicks, and % of paid clicks
  • SERP Overview & Positions History

Ahrefs offers 7 days trial in just $7.

4. Google Keyword Planner

Google Keyword Planner

Google Keyword Planner is a free keyword research tool from Google. To use this tool, you need to create a Google Adwords account which is free and easy to create. If you want to optimize your PPC campaign then Google keyword planner is best for you.

5. Moz Keyword Explorer

Moz Keyword Explorer

Moz Keyword Explorer is a smart keyword research tool. It will show you the monthly search volume of keywords, keyword difficulty, organic click-through ratio, and priority. In addition, you can also check SERP analysis for a specific keyword.

Moz offers 30 days free trial.

6. LongTailPro


LongTailPro tool will help you in finding keywords on your niche. They offer 7 days free trial with 30% discount on their annual pro plan.

Features of LongTailPro:

  • Keyword Competitiveness Score & Competitor Analysis
  • Determine Keyword Profitability with New Rank Value Feature
  • Get Custom Keyword Difficulty Recommendations for Your Domain
  • In-App Chat Support

LongTailPro is available for 7 days free trial plus 4 months free subscription or 30% discount if you choose an annual plan.

7. Keywords Everywhere

Keywords Everywhere is one of the best free keyword research tools. To use this tool, you need to install Chrome or Firefox browser extension. After installing this extension, get a free API key and add it to your browser extension then search for any term like “best keyword research tool” in Google search. You will see a result like this:

Keywords Everywhere

You can see in the above image that you will find related keywords plus related search terms from people.

Keywords Everywhere Features

8. Spyfu


Spyfu is the best tool to spy on your competitors. You can analyze the keywords of your competitors and target those keywords on your website. You can also use Spyfu for SEO Research, PPC Research, and Backlinks Analysis.

Features of Spyfu:

  • Rank Tracker
  • Keyword Cost per Click
  • Ranking Difficulty
  • Search Volume per Month
  • Clicks per Month
  • Click Value per Month
  • Export Reports in CSV and PDF files

9. Ubersuggest

Ubersuggest is a new and trending keyword research tool. The best thing about Ubersuggest is that it is free and very easy to use.


If you search for a keyword like “create a blog” then it will show you search volume, SEO difficulty, paid difficulty, and cost per click instantly. Below this overview, you find a search volume graph for that keyword for last one year. And at last, you will find all related keywords that you can use to target in your blog.

10. Answer The Public

Answer The Public

Today, many people have started using voice search and if they have any question then they will ask that question to Google. Here, if your content is optimized for all the related question then it can rank higher than other blogs.

To find all these questions, Answer The Public is the best tool. You need to just enter a keyword in the keyword research field then hit “Get Questions”. You will get all the questions on your keywords. Now you can use these questions in your content and optimize it to rank well.

Answer The Public Keyword Questions


KeywordTool is also the most popular keyword research tool which is available in the free and paid version. You can find keyword not only for Google search but also for YouTube, Bing, Amazon, eBay, Play Store, Instagram, and Twitter.

Features of

  • Keyword Research (Available in Free Plan)
  • Keyword Questions (Available in Free Plan)
  • Prepositions (Available in Free Plan)
  • Keyword Search Volume (Available in Paid Plan)
  • Keyword Trend (Available in Paid Plan)
  • CPC and Competition (Available in Paid Plan)
  • 30 Days Money Back Guarantee (For Paid Plan)

If you want to buy a paid plan then you will get 20% discount on an annual subscription.

Which Keyword Research Tool will be the best for you?

If you need an accurate and all the keyword research features then you should choose SEMRUSH otherwise you can choose free tools like Ubersuggest, Keywords Everywhere, and Answer The Public.

Final Words on Best Keyword Research Tools 2019

Here, I have shared the best keyword research tools for SEO for 2019. I hope you have liked this list. If you have any other tools suggestion that should be placed in this list then please let us know it by commenting in below comment section.

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