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Top 10 Keyword Research Tools for SEO (FREE and PAID)

Last Updated : 09 Feb, 2024
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Keyword Research and Optimization is the prior and one of the major parts of Search Engine Optimization (SEO) as it is the process of exploring, analyzing, and using those keywords people often use to search for their queries.

Statistically, the top 5 organic search results hold around 65% of all the clicks which majorly depends upon keyword optimization. With the help of Keyword Research Tools, you can find out what people are searching for and can get a better ranking in search engines for those search queries by relevantly optimizing the content.

Best Free and Paid Keyword Research Tools 2024

In this article, we explore the List of 10 Free and Paid keyword research tools that empower users to make informed decisions and optimize their online content effectively.

List of Top 10 Keyword Research Tools for SEO (FREE and PAID)

What is Keyword Research Tool? 

As we all know that in today’s time keyword research is a vital process for increasing the traffic of any website. For that there are many Keyword research tools available free and paid that can be used for researching the keywords. But yes one must know the trick to use the same and should not as finding the best keyword is the only way to grow your website. 

Also Check: SEO Keywords: A Complete Reference

Best Free Keyword Research Tools for SEO

Keywords are like the glue that sticks your content to what people are searching for. They’re super important for bringing real people to your website.

However doing the same is not that easy and without having a budget for paid tools, it becomes more complicated. But…how would it be if you get to know there exist some free tools as well that you can use to grow the traffic rate on your site.

Choosing the “best” free and paid keyword research tool depends on your specific needs and budget. Here’s a breakdown of some top contenders:

1. - keyword research tools

It’s a free keyword research tool that helps you estimate the monthly search volume for specific keywords or phrases. Some of the features of the are as follows

  • Check monthly search volume: Enter your keywords and get an estimate of how many times people search for them per month. This is crucial for understanding keyword popularity and potential traffic.
  • Bulk search: Analyze hundreds of keywords at once, saving you time and effort compared to searching for each one individually.
  • Identify relevant keywords: Discover related keywords related to your main ones, expanding your keyword pool and content ideas.

Let’s understand with an example :– In the search bar, type your primary keyword, let’s say “digital marketing.

Instantly, It will provide you with valuable insights into the search volume trends related to “digital marketing. “Explore the list of related keywords and phrases suggested by the tool. These insights can help you understand what terms are trending and relevant to your content.

2. Soovle

  • Free tool for query suggestions based on provided keywords.
  • Sources suggestions from various platforms: Wikipedia, Google, Bing, Yahoo, YouTube, and Amazon.
  • Rapid results: Generates hundreds of suggestions in a matter of seconds.

Here in the below-provided example, for a search keyword “Digital Marketing”, it shows various search queries for various platforms. 

Soovle keyword research tools - keyword research tools

3. AnswerThePublic

AnswerThePublic - Keyword Research Tools

What it is:

  • Free online tool for market research, content creation, and SEO.
  • Visualizes search questions and autocomplete searches around a topic/keyword.
  • Helps understand search intent, curiosity, and active searches.

Key features:

  • Uncovers search intent: Discover the “why” behind searches.
  • Generates content ideas: Find hundreds of questions, comparisons, and phrases.
  • Boosts SEO: Identify low-competition, high-potential keywords.
  • Easy to use: Simple interface, choose keyword, language, location.


  • Understand your audience: Know what they’re looking for and curious about.
  • Create engaging content: Address audience needs and pain points directly.
  • Improve SEO: Attract more organic traffic with targeted keywords.
  • Make informed decisions: Base your business and marketing strategies on real data.

Additional notes:

  • Free to use with limited features, paid plans offer more functionalities.
  • Visual data presentation (mind map style) for easy understanding.
  • Quick to learn and implement, provides actionable insights.

4. Google Keyword Planner (Web)

Google Keyword Planner - Keyword Research Tools

What it is:

  • Free keyword research tool for Google Ads campaigns.
  • Helps find related keywords, estimate search volume and costs.
  • Develops effective search advertising strategies.

Key Features:

  • Discover new keywords: Enter keywords/websites, find relevant phrases.
  • Analyze keywords: Get historical and forecast search volume, competition data.
  • Plan campaigns: Estimate bid levels, budget for targeted keywords.
  • Organize & save: Build keyword lists, share them with collaborators.


  • Increase ad effectiveness: Target audience with relevant keywords and improve ROI.
  • Optimize content strategy: Create content addressing high-performing search terms.
  • Save time and resources: Simplify keyword research and campaign planning.
  • Stay informed: Track keyword trends and adjust strategies accordingly.

Additional Notes:

  • Requires a Google Ads account (free to create).
  • Offers various filtering and sorting options for advanced research.
  • Integrates with other Google Ads tools for comprehensive campaign management.
  • Requires strategizing for effective campaign budget allocation based on bids.

Google Trends is a fantastic tool for understanding the popularity of search terms over time and across different locations. Here’s a breakdown of its capabilities:

  • Popular free keyword research tool
  • Allows users to compare relative search volume between different keywords
  • Depicts search volume results of various queries over time in graph form
  • Enables analysis of keywords based on geographical location

Google Keyword Planner - Keyword Research Tools

In the above example, we have considered two search keywords – “red ferrari” & “blue ferrari”. Now you can clearly see that keyword “red ferrari” is searched more times in comparison to the keyword “blue ferrari”. On the basis of such analysis, these keywords are added to the content. This is how Google Trends works.

6. Seed Keywords

Seed Keywords is perhaps one of the best sources of research for keyword ideas. Nothing will be better for the keyword research process than knowing what your target audience searches for.

You can find these keywords by simply creating a search scenario and asking the people how they would search for that query. This process consists of 3 Steps:

  • Create a search scenario for a query
  • Send the unique URL provided to your contacts
  • Watch your seed keyword list grow

Seed Keywords - Keyword Research Tools

Best Paid Keyword Research Tool for SEO

Upgrade your online visibility with premium paid Keyword Research Tools. These tools help your website shine in search results, ensuring more people discover and engage with your content effortlessly. Here are some Paid Keyword Research Tools.

1. Wordtracker Scout

It’s a browser extension that acts as a powerful on-the-go keyword research tool. Simply visit any website, and Wordtracker Scout will instantly analyze the content and present you with a list of relevant keywords and SEO metrics.

  • Provides access to Big Keyword Data
  • It also includes estimated search volume, competition level, CPC (cost-per-click), and related keywords.
  • Analyzes relevant and authentic sites targeting your audience
  • Obtain keyword ideas of any size with a single click

Wordtracker Scout- Keyword Research Tools

Wordtracker Paid Plans & Pricing:

Wordtracker Paid Plans & Pricing - Keyword Research Tools

2. Ubersuggest

One of the most popular and free platforms Ubersuggest is a free keyword generator that helps to find both long and short-tail keywords in very less time.

This free platform is provided by Neil Patel and offers several things such as keyword suggestions, search volume data, keyword density, and how hard it will be for your keyword to rank on top.Some of the features of Ubersuggest are as follows:

  • Helps in providing complete SEO report
  • Allows you to discover organic keywords
  • Offers with the list based on search results

You can get a 7-day free trial of Ubersuggest and a lifetime package starting with $120/ No Monthly Fees & 30-Day Money-back Guarantee.

Ubersuggest Paid Plans & Pricing:

Ubersuggest Paid Plan Pricing - Keyword Research Tools

3. SEMrush

Semrush excels in light SEO tasks, offering a rich array of keywords for content, PPC, social media, and competitor research. With a user-friendly interface, it effortlessly provides insights into trending topics and keyword popularity, attracting your audience and fueling your online growth.  

Some of the features of SEMrush are as follows:

  • Provides a wide range of keywords
  • Helps in analyzing the backlinking of any domain profile
  • Has a particular feature for the analysis of difficult keywords along with organic traffic insights

SEMrush- Keyword Research Tools

SEMrush Paid Plans & Pricing:

SEMrush offers three main paid subscription plans, each catering to different needs and budgets: Pro, Guru, and Business. Let’s explore each in detail:

SEMrush Paid Plans - Keyword Research Tools

However, according to numerous surveys, SEMrush has been ranked the number 1 keyword research tool and you can get a free trial for 14 days along with these paid plans- Pro, Guru, and Business.

4. Ahrefs

Ahrefs, a popular keyword tool akin to SEMrush, stands out as an all-in-one SEO solution. With a single keyword entry, it generates a plethora of suggestions. Ahrefs empowers users to tackle tasks like ranking analysis, traffic potential calculation, and discovering impactful keyword ideas effortlessly. Some of the basic features of Ahrefs are as follows:

  • Provide data from almost 171 countries
  • Explores keywords of more than 7 billion keywords 
  • Can enter up to 10,000 keywords in one go

Ahrefs is available for free and there is also an annual package where you can get 2 months free with Lite, Standard, Advanced, and Agency Plans.

Ahrefs - Keyword Research Tools

Ahrefs Paid Plans & Pricing:

Ahrefs Paid Plans & Pricing - Keyword Research Tools

Must Read: Top 10 Free Long-Tail Keywords Research Tools in SEO


Keyword plays an important role in website optimization. Thus, it is very important to insert proper keywords wherever required. You’ve read about the top 10 free keyword research tools through which you can get the best keywords required for your website. These research tools provide the best features to make your website optimize efficiently.

Keyword Researching Tool – FAQs

Which keyword tool is best for keyword research in SEO?

These are the few best keywords research tool in SEO:

  • Ubersuggest
  • ahrefs
  • SpyFu
  • SEMrush
  • Answer the public
  • Long Tail Pro
  • Serpstat

Is the Google keyword tool free? 

Yes, the Google Keyword tool can be used for free where you can discover new keywords and their target cost. But, it is important to have a Google account where you can input information regarding your business and get results. 

What are the 5 types of keywords?

These are the 5 types of keywords:

  • Modified Broad match
  • Negative match
  • Phrase match
  • Broad match
  • Exact Match

How to find SEO keywords for free?

These are the SEO keywords tool where you can get keywords for free:

  • Mailchimp
  • Seed keywords
  • Google Keyword planner

What are the most searchable keywords?

The most searchable keywords are:

  • Youtube
  • Amazon
  • Facebook
  • Google

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