The best keyword research tools for SEO

You can hardly imagine having a decent SEO campaign without proper keyword research. In fact, it’s an essential part of many marketing processes. Whether you are just starting from scratch, or you already have content, keywords are cogs in the marketing machinery. But, to properly win the entire keyword battle, you need proper instruments to do so. Fortunately, many keyword research tools for SEO are available online.

Some of the best keyword research tools for SEO

Here is the list of some of the best keyword research tools for SEO that many professionals are using today:

  1. Moz Keyword Explorer
  2. Google Keyword Planner
  3. SEMrush
  4. Long Tail Pro
  6. KWFinder
  7. Ahref Keyword Explorer
  8. Serpstat

1. Moz Keyword Explorer

In the first place, Moz Keyword Explorer is a perfect tool to use if you need an in-depth keyword analysis. On the other side, even if it’s being one of the industry leaders, it’s quite easy to use. Additionally, you can check the Organic Click-Through Rate scores that can help you predict the possibility to rank high. Or, you can perform a competitive analysis. With all the features you can expect from such a quality keyword research tool, here are a few key features:

  • Analyze your keywords by search volume
  • Export all your data
  • Find keywords in question format
  • Prioritize different keywords by topic
  • and more.

As a part of the larger package, you can get a 30-day trial period for the entire SEO toolset.

Pricing: Starting from $99 per month for the Standard package to $599 per month for the Premium package.

*You can save 20% with a yearly subscription.

2. Google Keyword Planner

Generally speaking, Google Keyword Planner is an easy-to-use keyword research tool that offers several basic features:

  • Provides suggestions for keywords
  • Offer a monthly analytic
  • Calculates average costs of your ads
  • Organize keywords by categories
  • Forecasts are refreshing daily and take the last 7-10 days into account

As you can see, Google Keyword Planner focuses mostly on Ads. It has proven to be an incredible tool for PPC advertisers. But, it’s also a useful companion for researching keywords.

Pricing: Free.

Scribble-made the “adwords” word.
Google offers many free tools you can use.

3. SEMrush

In essence, SEMrush is a complete suite for online visibility and content marketing. Not only it’s convenient for your keyword research checklist, but it also allows you to discover new niches, research competitors, and get insight into your target audience interests. Additionally, some of the main features include uncovering long-tail keywords and keyword difficulty analysis. There are 6 keyword research tools they offer:

  • Keyword Overview
  • Keyword Magic Tool
  • Organic Research
  • Keyword Manager
  • Keyword Gap
  • Organic Traffic Insights

Today, you can acquire a 7-day free trial period to test the entire suite that counts over 40 SEMrush tools.

Pricing: from $99.95 per month for the Pro package to $399.95 per month for the Business package.

*You can save 16% with annual plans.

4. Long Tail Pro

Following the newest trends and standards, long-tail keywords are becoming a more important part of SEO. To stay on track, the Long Tail Pro keyword tool can considerably help you. As a matter of fact, you can use it to generate long-tail keywords specific to your industry, in minutes. Features:

  • Provides hundreds of keyword suggestions
  • Offer powerful metrics for keyword and competitor analysis
  • Determine keyword profitability
  • Rank tracking

As a part of the promotion, you have a 7-day free trial period, and you get 10 days money-back guarantee.

Pricing: from $37 per month for the Starter pack to $147 per month for the Agency pack.

* You can acquire about a 33% discount with the annual billing.

5. is one of the unordinary keyword research tools for SEO

In a grand scheme, is not your ordinary keyword research tool you got used to. Packed in a simple webpage, it provides a suggestion service you can customize and results from all the major providers on one page. Including, suggestions from Wikipedia, Amazon, Google, Yahoo, etc. It has a convenient drag-and-drop feature to help you easily create your lists. And you can also save those lists in CSV or txt format. All things considered, it’s a powerful tool for your semantic industry research.

Pricing: Free.

Popular icons of Google, Yahoo, and other major players on the internet. uses various sources for its suggestions.

6. KWFinder

Many large companies, like Adidas, are trusting this tool from Mangools. KWFinder allows you to easily search for keywords with high search volume but with low SEO difficulty. It currently offers a comprehensive list of features and an intuitive user-friendly interface. The list of some of the features it offers:

  • Finding hidden long-tail keywords
  • Competitor research
  • Manage your keywords with keyword lists
  • Bulk import
  • Filtering out
  • Local keyword research
  • In-depth SERP analysis and SEO metrics

At the moment, you can start your 10-day free trial without a credit card.

Pricing: from $49.00 per month for the Mangools Basic to $129.00 per month for the Mangools Agency package.

*You can save ~40 % with their annual plans.

7. Ahref Keyword Explorer is one of the best keyword research tools for SEO

In general, Ahref Keyword Explorer is one of the best and most complete tools for marketers today. Without much effort, you can easily discover thousands of keywords and analyze them. As a result, you can get insight into excessive information about each keyword. In their own words, this tool “runs on the world’s largest third-party database of search queries”. As one of the best keyword research tools for SEO, it has plenty of features:

  • Chiliad of keyword suggestions
  • Accurate search volumes and difficulty scores
  • Progressive SEO Metrics
  • Accurate keyword difficulty score
  • Provides data for 171 countries
  • A vast SERP overview


  • from 7$ for 7 days, then $99 per month, for the Lite package
  • to $999 per month for the Agency package

8. Serpstat

Actually, this is not just a simple tool. It is, in fact, a full SEO suite, or we should say platform, for professionals. Serpstat is, overall, an all-in-one tool you can use for keyword research, backlink analysis, website analytics, competitor research, and plenty of other tasks. Some of the main features are:

  • Keyword trends analytics
  • Acquisition of long-tail keywords
  • Analyze keyword value
  • PPC research
  • Keyword variations and search suggestions
  • Rank tracking
  • and more.

Pricing: from $69 per month for the Lite to $499 per month for the Enterprise package.

*You can save 20% with yearly billing plans.

A graph showing growth.
Proper tools can help you increase your chance of success.

Overall, there are many things you need to consider when selecting a proper tool. Even though these are some of the best keyword research tools for SEO, not all of them offer the same things. First, you will need to have a bit of experience so you can use some of them properly. Otherwise, you should focus on those more convenient for beginners. So, pick them according to your knowledge and goals you plan to accomplish.

Latest Posts