7 Best Keyword Research tools for SEO in 2023 [Free & Paid]

Keyword Research tools for SEO
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There are a number of great keyword research tools available on the market, both free and paid.

Keyword research tools are SEO tools that can help you to find keywords and queries that are mainly searched around the globe on search engines.

The objective and importance of keyword research, is to find out keyword suggestions so that you can plan the content marketing strategy of your websites, so that you can either aim to create content that ranks on Google, or also so that you can plan your search engine marketing advertising.

The advantages of these tools is that users can obtain important information such as the search volume, CPC, PPC competition, keyword difficulty, related keywords, long-tail keywords and trends

In this article, we will take a look at seven of the best keyword research tools for SEO.

Best Free Keyword Research Tools for SEO

Google Keyword Planner


Google AdWords Keyword Planner is a free tool that will help you to research and find the best keywords for your website.

You can also use it to see how much PPC there is for certain keywords, and how many searches are being made every month.

This is a free tool from Google that allows you to research keywords for your website or blog.

With it, you can start for free to create your list of keyword ideas so that you can further plan your content marketing strategy.

The Google Keyword Planner is focused to help users on their Google Ads planning, but also some SEO specialists use it to gain some keyword data for free.

To use Google Keyword Planner, you just have to simply enter your desired keyword into the planner and it will return results based on monthly search volume and competition level.

Google Search Console


Google Search Console itself is not a keyword research tool, but it helps webmaster to index their websites to Google.

Similar to Google analytics, the GSC keeps track of the metrics that are generated by the clicks of the pages that are appearing for some given keywords on search engines.

The Google Search Console is free to be used, and as the website pages start appearing on the search engine, eventually some keyword results will start to appear.

This can also be a great way to generate keyword ideas, as some pages might start to rank to other keywords related to the main topic, but as they are not the objective of your page, they might be appearing on lower rankings.

Using the GSC will be a great way to develop a SEO analysis that eventually will help your content marketing strategy to check out which are worthwile target keywords to include.

Ubersuggest (Freemium)


Ubersuggest is a freemium online marketing tool that provides users with keyword suggestions and traffic estimates.

It is a great way to find new keywords and track your website’s performance.

The free SEO keyword research tool will only help to do 3 keyword searches.

The paid version will take out this limit and let users to have more extended keyword lists and make multiple searches.

Best Paid Keyword Research Tools for SEO


Writerzen logo

Writerzen helps you determine the best keywords to use in your site and content to help you get the attention you want from searchers.

The tools help you research the right keywords and phrases for your website, blog posts, and social media updates.

You can also use them to research the keywords that your competitors are using to see what words and phrases they are targeting.

Writerzen keyword research features the Wildcard, which helps you to expand the research by using the * sign, and the tool comes out with a full keyword list that has more word combinations than a normal search.

If you are serious about SEO, Writerzen is a great tool, since it will also help to develop a topic cluster based on specific keywords, which sets out a group of number of keywords that are related and can help to create secondary content that supports the main page content.


SEMRush logo

SEMrush is another popular paid keyword research tool that offers a free 14-day trial.

The SEMrush keyword research tool is a powerful and versatile tool that can be used for a variety of purposes, as ot provides data on competitor keywords, similar keyword analysis, organic traffic, paid traffic, SEO content analysis tools and more.

It is particularly useful for finding high-volume keywords that can be used to drive traffic to a website or blog.

This paid tool offers to find keywords that are relevant to a specific industry or niche.



Ahrefs is a paid keyword research tool that offers a 7-day trial for $7.

It is packed with features, including a keyword explorer, competitor analysis, and rank tracking.

Ahrefs has gained popularity because it allows users to see the backlinks and other data for any given website.

This makes it a valuable research tool on the market for SEO analysis.

Additionally, Ahrefs provides a variety of features and options that make it a versatile tool for website owners and online marketers.



KWfinder is a tool for keyword research that helps users find the right popular keywords for their website or online business.

KWFinder is a great free keyword research tool that offers data on search volume, CPC.

It provides users with data-driven keyword suggestions based on real-time search engine data to rank for the keyword.

KWfinder also offers a range of other features, such as competitor analysis and keyword difficulty scores.

Why use the best keyword research tools?

The best keyword research tools help you identify the most popular and relevant keywords for your website or blog.

Of course, if we compare the free versions to the paid version of the best tools for finding the right keywords, than it will be notorious that the paid versions have more insights to offer.

Using keyword tools for SEO will help to ensure that you get the search volume of what is people searching for and it will eventually help you to focus your content creation, and page optimization.

Is it better to just use the Google Keyword Planner than other keyword tools for SEO to find new keywords?

There is no definite answer as to whether it is better to use the Google Keyword Planner or other keyword tools for SEO.

Both have their own advantages and disadvantages.

The Google Keyword Planner is free and easier to navigate, while other keyword tools may offer more features and options to find the right keywords to target.

Ultimately, it is up to the individual to decide which tool works best for their needs, since at the end the objective is to generate traffic from Google and search engines to generate brand awareness, lead, and conversions.

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